Home / 3,687,357.78-5,088,535.56-2,138,932.62

Finding the Fourth Proportional to 3,687,357.78, 5,088,535.56 and 2,138,932.62

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Solution

The fourth proportional to 3,687,357.78, 5,088,535.56 and 2,138,932.62 is: 2,951,716.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687,357.78 : 5,088,535.56 = 2,138,932.62 : x
  2. Step 2: Convert to fraction form
    3,687,357.78/5,088,535.56 = 2,138,932.62/x
  3. Step 3: Cross multiply
    3,687,357.78x = 5,088,535.56 × 2,138,932.62
  4. Step 4: Simplify right side
    3,687,357.78x = 10,884,034,697,313.97
  5. Step 5: Solve for x
    x = 10,884,034,697,313.97/3,687,357.78
  6. Step 6: Final answer
    x = 2,951,716.47

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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.