Home / 2,993,691.72-4,131,296.23-1,617,035.43

Finding the Fourth Proportional to 2,993,691.72, 4,131,296.23 and 1,617,035.43

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Solution

The fourth proportional to 2,993,691.72, 4,131,296.23 and 1,617,035.43 is: 2,231,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993,691.72 : 4,131,296.23 = 1,617,035.43 : x
  2. Step 2: Convert to fraction form
    2,993,691.72/4,131,296.23 = 1,617,035.43/x
  3. Step 3: Cross multiply
    2,993,691.72x = 4,131,296.23 × 1,617,035.43
  4. Step 4: Simplify right side
    2,993,691.72x = 6,680,452,375,735.43
  5. Step 5: Solve for x
    x = 6,680,452,375,735.43/2,993,691.72
  6. Step 6: Final answer
    x = 2,231,509.79

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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.