Home / 3,240,249.80-4,860,357.18-1,321,153.58

Finding the Fourth Proportional to 3,240,249.80, 4,860,357.18 and 1,321,153.58

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Solution

The fourth proportional to 3,240,249.80, 4,860,357.18 and 1,321,153.58 is: 1,981,723.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,249.80 : 4,860,357.18 = 1,321,153.58 : x
  2. Step 2: Convert to fraction form
    3,240,249.80/4,860,357.18 = 1,321,153.58/x
  3. Step 3: Cross multiply
    3,240,249.80x = 4,860,357.18 × 1,321,153.58
  4. Step 4: Simplify right side
    3,240,249.80x = 6,421,278,288,435.70
  5. Step 5: Solve for x
    x = 6,421,278,288,435.70/3,240,249.80
  6. Step 6: Final answer
    x = 1,981,723.23

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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.