Home / 3,730,900.78-5,587,382.92-2,128,606.17

Finding the Fourth Proportional to 3,730,900.78, 5,587,382.92 and 2,128,606.17

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Solution

The fourth proportional to 3,730,900.78, 5,587,382.92 and 2,128,606.17 is: 3,187,792.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730,900.78 : 5,587,382.92 = 2,128,606.17 : x
  2. Step 2: Convert to fraction form
    3,730,900.78/5,587,382.92 = 2,128,606.17/x
  3. Step 3: Cross multiply
    3,730,900.78x = 5,587,382.92 × 2,128,606.17
  4. Step 4: Simplify right side
    3,730,900.78x = 11,893,337,757,664.62
  5. Step 5: Solve for x
    x = 11,893,337,757,664.62/3,730,900.78
  6. Step 6: Final answer
    x = 3,187,792.56

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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.