Home / 3,855,919.32-5,320,963.83-2,224,229.61

Finding the Fourth Proportional to 3,855,919.32, 5,320,963.83 and 2,224,229.61

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Solution

The fourth proportional to 3,855,919.32, 5,320,963.83 and 2,224,229.61 is: 3,069,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,919.32 : 5,320,963.83 = 2,224,229.61 : x
  2. Step 2: Convert to fraction form
    3,855,919.32/5,320,963.83 = 2,224,229.61/x
  3. Step 3: Cross multiply
    3,855,919.32x = 5,320,963.83 × 2,224,229.61
  4. Step 4: Simplify right side
    3,855,919.32x = 11,835,045,304,425.01
  5. Step 5: Solve for x
    x = 11,835,045,304,425.01/3,855,919.32
  6. Step 6: Final answer
    x = 3,069,318.71

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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.