Home / 2,637,391.92-3,639,680.12-1,491,449.28

Finding the Fourth Proportional to 2,637,391.92, 3,639,680.12 and 1,491,449.28

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Solution

The fourth proportional to 2,637,391.92, 3,639,680.12 and 1,491,449.28 is: 2,058,244.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637,391.92 : 3,639,680.12 = 1,491,449.28 : x
  2. Step 2: Convert to fraction form
    2,637,391.92/3,639,680.12 = 1,491,449.28/x
  3. Step 3: Cross multiply
    2,637,391.92x = 3,639,680.12 × 1,491,449.28
  4. Step 4: Simplify right side
    2,637,391.92x = 5,428,398,294,404.31
  5. Step 5: Solve for x
    x = 5,428,398,294,404.31/2,637,391.92
  6. Step 6: Final answer
    x = 2,058,244.83

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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.