Home / 3,690,677.10-5,536,015.65-2,172,801.90

Finding the Fourth Proportional to 3,690,677.10, 5,536,015.65 and 2,172,801.90

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Solution

The fourth proportional to 3,690,677.10, 5,536,015.65 and 2,172,801.90 is: 3,259,202.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690,677.10 : 5,536,015.65 = 2,172,801.90 : x
  2. Step 2: Convert to fraction form
    3,690,677.10/5,536,015.65 = 2,172,801.90/x
  3. Step 3: Cross multiply
    3,690,677.10x = 5,536,015.65 × 2,172,801.90
  4. Step 4: Simplify right side
    3,690,677.10x = 12,028,665,322,749.73
  5. Step 5: Solve for x
    x = 12,028,665,322,749.73/3,690,677.10
  6. Step 6: Final answer
    x = 3,259,202.85

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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.