Home / 5,715,863.43-7,887,902.73-3,393,221.75

Finding the Fourth Proportional to 5,715,863.43, 7,887,902.73 and 3,393,221.75

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Solution

The fourth proportional to 5,715,863.43, 7,887,902.73 and 3,393,221.75 is: 4,682,652.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715,863.43 : 7,887,902.73 = 3,393,221.75 : x
  2. Step 2: Convert to fraction form
    5,715,863.43/7,887,902.73 = 3,393,221.75/x
  3. Step 3: Cross multiply
    5,715,863.43x = 7,887,902.73 × 3,393,221.75
  4. Step 4: Simplify right side
    5,715,863.43x = 26,765,403,105,320.38
  5. Step 5: Solve for x
    x = 26,765,403,105,320.38/5,715,863.43
  6. Step 6: Final answer
    x = 4,682,652.66

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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.