Home / 5,167,205.40-7,747,697.70-2,647,781.40

Finding the Fourth Proportional to 5,167,205.40, 7,747,697.70 and 2,647,781.40

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Solution

The fourth proportional to 5,167,205.40, 7,747,697.70 and 2,647,781.40 is: 3,970,078.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167,205.40 : 7,747,697.70 = 2,647,781.40 : x
  2. Step 2: Convert to fraction form
    5,167,205.40/7,747,697.70 = 2,647,781.40/x
  3. Step 3: Cross multiply
    5,167,205.40x = 7,747,697.70 × 2,647,781.40
  4. Step 4: Simplify right side
    5,167,205.40x = 20,514,209,862,882.78
  5. Step 5: Solve for x
    x = 20,514,209,862,882.78/5,167,205.40
  6. Step 6: Final answer
    x = 3,970,078.27

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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.