Home / 2,639,575.38-3,960,860.72-1,425,135.74

Finding the Fourth Proportional to 2,639,575.38, 3,960,860.72 and 1,425,135.74

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Solution

The fourth proportional to 2,639,575.38, 3,960,860.72 and 1,425,135.74 is: 2,138,512.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,575.38 : 3,960,860.72 = 1,425,135.74 : x
  2. Step 2: Convert to fraction form
    2,639,575.38/3,960,860.72 = 1,425,135.74/x
  3. Step 3: Cross multiply
    2,639,575.38x = 3,960,860.72 × 1,425,135.74
  4. Step 4: Simplify right side
    2,639,575.38x = 5,644,764,146,304.15
  5. Step 5: Solve for x
    x = 5,644,764,146,304.15/2,639,575.38
  6. Step 6: Final answer
    x = 2,138,512.19

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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.