Home / 2,280,290.29-3,146,800.46-1,247,798.20

Finding the Fourth Proportional to 2,280,290.29, 3,146,800.46 and 1,247,798.20

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Solution

The fourth proportional to 2,280,290.29, 3,146,800.46 and 1,247,798.20 is: 1,721,961.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,290.29 : 3,146,800.46 = 1,247,798.20 : x
  2. Step 2: Convert to fraction form
    2,280,290.29/3,146,800.46 = 1,247,798.20/x
  3. Step 3: Cross multiply
    2,280,290.29x = 3,146,800.46 × 1,247,798.20
  4. Step 4: Simplify right side
    2,280,290.29x = 3,926,571,944,999.67
  5. Step 5: Solve for x
    x = 3,926,571,944,999.67/2,280,290.29
  6. Step 6: Final answer
    x = 1,721,961.44

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Double scale
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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.