Home / 4,914,952.80-7,372,422.86-1,320,719.78

Finding the Fourth Proportional to 4,914,952.80, 7,372,422.86 and 1,320,719.78

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Solution

The fourth proportional to 4,914,952.80, 7,372,422.86 and 1,320,719.78 is: 1,981,077.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914,952.80 : 7,372,422.86 = 1,320,719.78 : x
  2. Step 2: Convert to fraction form
    4,914,952.80/7,372,422.86 = 1,320,719.78/x
  3. Step 3: Cross multiply
    4,914,952.80x = 7,372,422.86 × 1,320,719.78
  4. Step 4: Simplify right side
    4,914,952.80x = 9,736,904,654,260.46
  5. Step 5: Solve for x
    x = 9,736,904,654,260.46/4,914,952.80
  6. Step 6: Final answer
    x = 1,981,077.96

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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.