Home / 2,487,449.02-3,731,825.16-781,523.40

Finding the Fourth Proportional to 2,487,449.02, 3,731,825.16 and 781,523.40

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Solution

The fourth proportional to 2,487,449.02, 3,731,825.16 and 781,523.40 is: 1,172,489.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,449.02 : 3,731,825.16 = 781,523.40 : x
  2. Step 2: Convert to fraction form
    2,487,449.02/3,731,825.16 = 781,523.40/x
  3. Step 3: Cross multiply
    2,487,449.02x = 3,731,825.16 × 781,523.40
  4. Step 4: Simplify right side
    2,487,449.02x = 2,916,508,687,248.74
  5. Step 5: Solve for x
    x = 2,916,508,687,248.74/2,487,449.02
  6. Step 6: Final answer
    x = 1,172,489.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.