Home / 3,684,435.20-5,500,745.89-2,815,321.61

Finding the Fourth Proportional to 3,684,435.20, 5,500,745.89 and 2,815,321.61

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Solution

The fourth proportional to 3,684,435.20, 5,500,745.89 and 2,815,321.61 is: 4,203,186.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684,435.20 : 5,500,745.89 = 2,815,321.61 : x
  2. Step 2: Convert to fraction form
    3,684,435.20/5,500,745.89 = 2,815,321.61/x
  3. Step 3: Cross multiply
    3,684,435.20x = 5,500,745.89 × 2,815,321.61
  4. Step 4: Simplify right side
    3,684,435.20x = 15,486,368,766,843.73
  5. Step 5: Solve for x
    x = 15,486,368,766,843.73/3,684,435.20
  6. Step 6: Final answer
    x = 4,203,186.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.