Home / 3,759,849.12-5,188,453.20-2,040,931.92

Finding the Fourth Proportional to 3,759,849.12, 5,188,453.20 and 2,040,931.92

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Solution

The fourth proportional to 3,759,849.12, 5,188,453.20 and 2,040,931.92 is: 2,816,410.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759,849.12 : 5,188,453.20 = 2,040,931.92 : x
  2. Step 2: Convert to fraction form
    3,759,849.12/5,188,453.20 = 2,040,931.92/x
  3. Step 3: Cross multiply
    3,759,849.12x = 5,188,453.20 × 2,040,931.92
  4. Step 4: Simplify right side
    3,759,849.12x = 10,589,279,751,306.14
  5. Step 5: Solve for x
    x = 10,589,279,751,306.14/3,759,849.12
  6. Step 6: Final answer
    x = 2,816,410.82

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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.