Home / 4,260,379.46-6,393,743.22-3,126,072.78

Finding the Fourth Proportional to 4,260,379.46, 6,393,743.22 and 3,126,072.78

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Solution

The fourth proportional to 4,260,379.46, 6,393,743.22 and 3,126,072.78 is: 4,691,438.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260,379.46 : 6,393,743.22 = 3,126,072.78 : x
  2. Step 2: Convert to fraction form
    4,260,379.46/6,393,743.22 = 3,126,072.78/x
  3. Step 3: Cross multiply
    4,260,379.46x = 6,393,743.22 × 3,126,072.78
  4. Step 4: Simplify right side
    4,260,379.46x = 19,987,306,642,351.55
  5. Step 5: Solve for x
    x = 19,987,306,642,351.55/4,260,379.46
  6. Step 6: Final answer
    x = 4,691,438.13

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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.