Home / 2,502,913.20-3,752,143.20-905,121.30

Finding the Fourth Proportional to 2,502,913.20, 3,752,143.20 and 905,121.30

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Solution

The fourth proportional to 2,502,913.20, 3,752,143.20 and 905,121.30 is: 1,356,876.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,502,913.20 : 3,752,143.20 = 905,121.30 : x
  2. Step 2: Convert to fraction form
    2,502,913.20/3,752,143.20 = 905,121.30/x
  3. Step 3: Cross multiply
    2,502,913.20x = 3,752,143.20 × 905,121.30
  4. Step 4: Simplify right side
    2,502,913.20x = 3,396,144,730,970.16
  5. Step 5: Solve for x
    x = 3,396,144,730,970.16/2,502,913.20
  6. Step 6: Final answer
    x = 1,356,876.75

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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.