Home / 3,939,272.66-5,436,614.24-2,309,049.71

Finding the Fourth Proportional to 3,939,272.66, 5,436,614.24 and 2,309,049.71

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Solution

The fourth proportional to 3,939,272.66, 5,436,614.24 and 2,309,049.71 is: 3,186,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,272.66 : 5,436,614.24 = 2,309,049.71 : x
  2. Step 2: Convert to fraction form
    3,939,272.66/5,436,614.24 = 2,309,049.71/x
  3. Step 3: Cross multiply
    3,939,272.66x = 5,436,614.24 × 2,309,049.71
  4. Step 4: Simplify right side
    3,939,272.66x = 12,553,412,552,850.67
  5. Step 5: Solve for x
    x = 12,553,412,552,850.67/3,939,272.66
  6. Step 6: Final answer
    x = 3,186,733.60

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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.