Home / 3,972,921.20-5,959,381.80-1,448,658.80

Finding the Fourth Proportional to 3,972,921.20, 5,959,381.80 and 1,448,658.80

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Solution

The fourth proportional to 3,972,921.20, 5,959,381.80 and 1,448,658.80 is: 2,172,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972,921.20 : 5,959,381.80 = 1,448,658.80 : x
  2. Step 2: Convert to fraction form
    3,972,921.20/5,959,381.80 = 1,448,658.80/x
  3. Step 3: Cross multiply
    3,972,921.20x = 5,959,381.80 × 1,448,658.80
  4. Step 4: Simplify right side
    3,972,921.20x = 8,633,110,887,129.84
  5. Step 5: Solve for x
    x = 8,633,110,887,129.84/3,972,921.20
  6. Step 6: Final answer
    x = 2,172,988.20

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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.