Home / 3,972,131.20-5,960,659.20-2,080,230.40

Finding the Fourth Proportional to 3,972,131.20, 5,960,659.20 and 2,080,230.40

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Solution

The fourth proportional to 3,972,131.20, 5,960,659.20 and 2,080,230.40 is: 3,121,635.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972,131.20 : 5,960,659.20 = 2,080,230.40 : x
  2. Step 2: Convert to fraction form
    3,972,131.20/5,960,659.20 = 2,080,230.40/x
  3. Step 3: Cross multiply
    3,972,131.20x = 5,960,659.20 × 2,080,230.40
  4. Step 4: Simplify right side
    3,972,131.20x = 12,399,544,471,879.68
  5. Step 5: Solve for x
    x = 12,399,544,471,879.68/3,972,131.20
  6. Step 6: Final answer
    x = 3,121,635.17

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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.