Home / 3,646,685.10-5,474,952.45-2,131,920.30

Finding the Fourth Proportional to 3,646,685.10, 5,474,952.45 and 2,131,920.30

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Solution

The fourth proportional to 3,646,685.10, 5,474,952.45 and 2,131,920.30 is: 3,200,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646,685.10 : 5,474,952.45 = 2,131,920.30 : x
  2. Step 2: Convert to fraction form
    3,646,685.10/5,474,952.45 = 2,131,920.30/x
  3. Step 3: Cross multiply
    3,646,685.10x = 5,474,952.45 × 2,131,920.30
  4. Step 4: Simplify right side
    3,646,685.10x = 11,672,162,269,689.73
  5. Step 5: Solve for x
    x = 11,672,162,269,689.73/3,646,685.10
  6. Step 6: Final answer
    x = 3,200,759.58

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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.