Home / 3,969,958.38-5,479,791.39-2,252,220.54

Finding the Fourth Proportional to 3,969,958.38, 5,479,791.39 and 2,252,220.54

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Solution

The fourth proportional to 3,969,958.38, 5,479,791.39 and 2,252,220.54 is: 3,108,772.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,958.38 : 5,479,791.39 = 2,252,220.54 : x
  2. Step 2: Convert to fraction form
    3,969,958.38/5,479,791.39 = 2,252,220.54/x
  3. Step 3: Cross multiply
    3,969,958.38x = 5,479,791.39 × 2,252,220.54
  4. Step 4: Simplify right side
    3,969,958.38x = 12,341,698,723,473.15
  5. Step 5: Solve for x
    x = 12,341,698,723,473.15/3,969,958.38
  6. Step 6: Final answer
    x = 3,108,772.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.