Home / 2,218,517.79-3,319,020.92-1,680,324.43

Finding the Fourth Proportional to 2,218,517.79, 3,319,020.92 and 1,680,324.43

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Solution

The fourth proportional to 2,218,517.79, 3,319,020.92 and 1,680,324.43 is: 2,513,854.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,517.79 : 3,319,020.92 = 1,680,324.43 : x
  2. Step 2: Convert to fraction form
    2,218,517.79/3,319,020.92 = 1,680,324.43/x
  3. Step 3: Cross multiply
    2,218,517.79x = 3,319,020.92 × 1,680,324.43
  4. Step 4: Simplify right side
    2,218,517.79x = 5,577,031,931,460.33
  5. Step 5: Solve for x
    x = 5,577,031,931,460.33/2,218,517.79
  6. Step 6: Final answer
    x = 2,513,854.95

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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.