Home / 6,198,205.20-9,291,982.78-2,154,167.61

Finding the Fourth Proportional to 6,198,205.20, 9,291,982.78 and 2,154,167.61

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Solution

The fourth proportional to 6,198,205.20, 9,291,982.78 and 2,154,167.61 is: 3,229,400.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,198,205.20 : 9,291,982.78 = 2,154,167.61 : x
  2. Step 2: Convert to fraction form
    6,198,205.20/9,291,982.78 = 2,154,167.61/x
  3. Step 3: Cross multiply
    6,198,205.20x = 9,291,982.78 × 2,154,167.61
  4. Step 4: Simplify right side
    6,198,205.20x = 20,016,488,337,353.75
  5. Step 5: Solve for x
    x = 20,016,488,337,353.75/6,198,205.20
  6. Step 6: Final answer
    x = 3,229,400.72

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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.