Home / 2,712,074.08-4,068,283.92-915,138.40

Finding the Fourth Proportional to 2,712,074.08, 4,068,283.92 and 915,138.40

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Solution

The fourth proportional to 2,712,074.08, 4,068,283.92 and 915,138.40 is: 1,372,765.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,074.08 : 4,068,283.92 = 915,138.40 : x
  2. Step 2: Convert to fraction form
    2,712,074.08/4,068,283.92 = 915,138.40/x
  3. Step 3: Cross multiply
    2,712,074.08x = 4,068,283.92 × 915,138.40
  4. Step 4: Simplify right side
    2,712,074.08x = 3,723,042,837,294.53
  5. Step 5: Solve for x
    x = 3,723,042,837,294.53/2,712,074.08
  6. Step 6: Final answer
    x = 1,372,765.91

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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.