Home / 3,753,583.18-5,179,857.86-2,121,920.90

Finding the Fourth Proportional to 3,753,583.18, 5,179,857.86 and 2,121,920.90

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Solution

The fourth proportional to 3,753,583.18, 5,179,857.86 and 2,121,920.90 is: 2,928,201.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753,583.18 : 5,179,857.86 = 2,121,920.90 : x
  2. Step 2: Convert to fraction form
    3,753,583.18/5,179,857.86 = 2,121,920.90/x
  3. Step 3: Cross multiply
    3,753,583.18x = 5,179,857.86 × 2,121,920.90
  4. Step 4: Simplify right side
    3,753,583.18x = 10,991,248,680,129.95
  5. Step 5: Solve for x
    x = 10,991,248,680,129.95/3,753,583.18
  6. Step 6: Final answer
    x = 2,928,201.71

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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.