Home / 4,613,245.20-6,921,836.10-2,215,855.80

Finding the Fourth Proportional to 4,613,245.20, 6,921,836.10 and 2,215,855.80

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Solution

The fourth proportional to 4,613,245.20, 6,921,836.10 and 2,215,855.80 is: 3,324,729.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613,245.20 : 6,921,836.10 = 2,215,855.80 : x
  2. Step 2: Convert to fraction form
    4,613,245.20/6,921,836.10 = 2,215,855.80/x
  3. Step 3: Cross multiply
    4,613,245.20x = 6,921,836.10 × 2,215,855.80
  4. Step 4: Simplify right side
    4,613,245.20x = 15,337,790,668,834.38
  5. Step 5: Solve for x
    x = 15,337,790,668,834.38/4,613,245.20
  6. Step 6: Final answer
    x = 3,324,729.12

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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.