Home / 3,970,078.38-5,955,708.06-1,840,377.78

Finding the Fourth Proportional to 3,970,078.38, 5,955,708.06 and 1,840,377.78

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Solution

The fourth proportional to 3,970,078.38, 5,955,708.06 and 1,840,377.78 is: 2,760,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970,078.38 : 5,955,708.06 = 1,840,377.78 : x
  2. Step 2: Convert to fraction form
    3,970,078.38/5,955,708.06 = 1,840,377.78/x
  3. Step 3: Cross multiply
    3,970,078.38x = 5,955,708.06 × 1,840,377.78
  4. Step 4: Simplify right side
    3,970,078.38x = 10,960,752,777,790.91
  5. Step 5: Solve for x
    x = 10,960,752,777,790.91/3,970,078.38
  6. Step 6: Final answer
    x = 2,760,840.40

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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.