Home / 2,172,823.32-3,259,816.25-752,879.40

Finding the Fourth Proportional to 2,172,823.32, 3,259,816.25 and 752,879.40

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Solution

The fourth proportional to 2,172,823.32, 3,259,816.25 and 752,879.40 is: 1,129,520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,823.32 : 3,259,816.25 = 752,879.40 : x
  2. Step 2: Convert to fraction form
    2,172,823.32/3,259,816.25 = 752,879.40/x
  3. Step 3: Cross multiply
    2,172,823.32x = 3,259,816.25 × 752,879.40
  4. Step 4: Simplify right side
    2,172,823.32x = 2,454,248,498,645.85
  5. Step 5: Solve for x
    x = 2,454,248,498,645.85/2,172,823.32
  6. Step 6: Final answer
    x = 1,129,520.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.