Home / 3,690,821.10-5,536,231.65-2,172,945.90

Finding the Fourth Proportional to 3,690,821.10, 5,536,231.65 and 2,172,945.90

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Solution

The fourth proportional to 3,690,821.10, 5,536,231.65 and 2,172,945.90 is: 3,259,418.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690,821.10 : 5,536,231.65 = 2,172,945.90 : x
  2. Step 2: Convert to fraction form
    3,690,821.10/5,536,231.65 = 2,172,945.90/x
  3. Step 3: Cross multiply
    3,690,821.10x = 5,536,231.65 × 2,172,945.90
  4. Step 4: Simplify right side
    3,690,821.10x = 12,029,931,865,317.73
  5. Step 5: Solve for x
    x = 12,029,931,865,317.73/3,690,821.10
  6. Step 6: Final answer
    x = 3,259,418.85

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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.