Home / 3,642,520.20-5,027,335.86-2,172,522.96

Finding the Fourth Proportional to 3,642,520.20, 5,027,335.86 and 2,172,522.96

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Solution

The fourth proportional to 3,642,520.20, 5,027,335.86 and 2,172,522.96 is: 2,998,474.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642,520.20 : 5,027,335.86 = 2,172,522.96 : x
  2. Step 2: Convert to fraction form
    3,642,520.20/5,027,335.86 = 2,172,522.96/x
  3. Step 3: Cross multiply
    3,642,520.20x = 5,027,335.86 × 2,172,522.96
  4. Step 4: Simplify right side
    3,642,520.20x = 10,922,002,583,481.35
  5. Step 5: Solve for x
    x = 10,922,002,583,481.35/3,642,520.20
  6. Step 6: Final answer
    x = 2,998,474.13

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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.