Home / 2,280,146.92-3,146,554.08-1,247,650.72

Finding the Fourth Proportional to 2,280,146.92, 3,146,554.08 and 1,247,650.72

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Solution

The fourth proportional to 2,280,146.92, 3,146,554.08 and 1,247,650.72 is: 1,721,731.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,146.92 : 3,146,554.08 = 1,247,650.72 : x
  2. Step 2: Convert to fraction form
    2,280,146.92/3,146,554.08 = 1,247,650.72/x
  3. Step 3: Cross multiply
    2,280,146.92x = 3,146,554.08 × 1,247,650.72
  4. Step 4: Simplify right side
    2,280,146.92x = 3,925,800,463,430.94
  5. Step 5: Solve for x
    x = 3,925,800,463,430.94/2,280,146.92
  6. Step 6: Final answer
    x = 1,721,731.36

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Half scale
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Double scale
Find fourth proportional to 2,280,147.92, 3,146,555.46 and 1,247,651.72
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.