Home / 3,949,516.18-5,450,331-2,138,680.18

Finding the Fourth Proportional to 3,949,516.18, 5,450,331 and 2,138,680.18

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Solution

The fourth proportional to 3,949,516.18, 5,450,331 and 2,138,680.18 is: 2,951,377.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949,516.18 : 5,450,331 = 2,138,680.18 : x
  2. Step 2: Convert to fraction form
    3,949,516.18/5,450,331 = 2,138,680.18/x
  3. Step 3: Cross multiply
    3,949,516.18x = 5,450,331 × 2,138,680.18
  4. Step 4: Simplify right side
    3,949,516.18x = 11,656,514,884,139.58
  5. Step 5: Solve for x
    x = 11,656,514,884,139.58/3,949,516.18
  6. Step 6: Final answer
    x = 2,951,377.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.