Home / 3,172,873.52-4,378,565.44-1,722,568.92

Finding the Fourth Proportional to 3,172,873.52, 4,378,565.44 and 1,722,568.92

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Solution

The fourth proportional to 3,172,873.52, 4,378,565.44 and 1,722,568.92 is: 2,377,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,873.52 : 4,378,565.44 = 1,722,568.92 : x
  2. Step 2: Convert to fraction form
    3,172,873.52/4,378,565.44 = 1,722,568.92/x
  3. Step 3: Cross multiply
    3,172,873.52x = 4,378,565.44 × 1,722,568.92
  4. Step 4: Simplify right side
    3,172,873.52x = 7,542,380,741,130.13
  5. Step 5: Solve for x
    x = 7,542,380,741,130.13/3,172,873.52
  6. Step 6: Final answer
    x = 2,377,145.10

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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.