Home / 3,763,538.62-5,193,789.54-2,131,945.48

Finding the Fourth Proportional to 3,763,538.62, 5,193,789.54 and 2,131,945.48

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Solution

The fourth proportional to 3,763,538.62, 5,193,789.54 and 2,131,945.48 is: 2,942,144.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763,538.62 : 5,193,789.54 = 2,131,945.48 : x
  2. Step 2: Convert to fraction form
    3,763,538.62/5,193,789.54 = 2,131,945.48/x
  3. Step 3: Cross multiply
    3,763,538.62x = 5,193,789.54 × 2,131,945.48
  4. Step 4: Simplify right side
    3,763,538.62x = 11,072,876,133,874.28
  5. Step 5: Solve for x
    x = 11,072,876,133,874.28/3,763,538.62
  6. Step 6: Final answer
    x = 2,942,144.95

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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.