Home / 2,280,145.92-3,146,552.70-1,247,649.72

Finding the Fourth Proportional to 2,280,145.92, 3,146,552.70 and 1,247,649.72

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Solution

The fourth proportional to 2,280,145.92, 3,146,552.70 and 1,247,649.72 is: 1,721,729.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,145.92 : 3,146,552.70 = 1,247,649.72 : x
  2. Step 2: Convert to fraction form
    2,280,145.92/3,146,552.70 = 1,247,649.72/x
  3. Step 3: Cross multiply
    2,280,145.92x = 3,146,552.70 × 1,247,649.72
  4. Step 4: Simplify right side
    2,280,145.92x = 3,925,795,595,120.24
  5. Step 5: Solve for x
    x = 3,925,795,595,120.24/2,280,145.92
  6. Step 6: Final answer
    x = 1,721,729.98

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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.