Home / 4,752,743.70-7,129,115.55-3,965,423.70

Finding the Fourth Proportional to 4,752,743.70, 7,129,115.55 and 3,965,423.70

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Solution

The fourth proportional to 4,752,743.70, 7,129,115.55 and 3,965,423.70 is: 5,948,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,743.70 : 7,129,115.55 = 3,965,423.70 : x
  2. Step 2: Convert to fraction form
    4,752,743.70/7,129,115.55 = 3,965,423.70/x
  3. Step 3: Cross multiply
    4,752,743.70x = 7,129,115.55 × 3,965,423.70
  4. Step 4: Simplify right side
    4,752,743.70x = 28,269,963,762,008.54
  5. Step 5: Solve for x
    x = 28,269,963,762,008.54/4,752,743.70
  6. Step 6: Final answer
    x = 5,948,135.55

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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.