Home / 3,681,974.35-5,520,393.85-1,631,519.69

Finding the Fourth Proportional to 3,681,974.35, 5,520,393.85 and 1,631,519.69

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Solution

The fourth proportional to 3,681,974.35, 5,520,393.85 and 1,631,519.69 is: 2,446,141.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681,974.35 : 5,520,393.85 = 1,631,519.69 : x
  2. Step 2: Convert to fraction form
    3,681,974.35/5,520,393.85 = 1,631,519.69/x
  3. Step 3: Cross multiply
    3,681,974.35x = 5,520,393.85 × 1,631,519.69
  4. Step 4: Simplify right side
    3,681,974.35x = 9,006,631,278,491.83
  5. Step 5: Solve for x
    x = 9,006,631,278,491.83/3,681,974.35
  6. Step 6: Final answer
    x = 2,446,141.78

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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.