Home / 2,218,517.42-3,319,020.36-1,680,324.05

Finding the Fourth Proportional to 2,218,517.42, 3,319,020.36 and 1,680,324.05

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Solution

The fourth proportional to 2,218,517.42, 3,319,020.36 and 1,680,324.05 is: 2,513,854.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,517.42 : 3,319,020.36 = 1,680,324.05 : x
  2. Step 2: Convert to fraction form
    2,218,517.42/3,319,020.36 = 1,680,324.05/x
  3. Step 3: Cross multiply
    2,218,517.42x = 3,319,020.36 × 1,680,324.05
  4. Step 4: Simplify right side
    2,218,517.42x = 5,577,029,741,645.21
  5. Step 5: Solve for x
    x = 5,577,029,741,645.21/2,218,517.42
  6. Step 6: Final answer
    x = 2,513,854.39

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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.