Home / 4,914,954.28-7,372,425.08-1,320,721.30

Finding the Fourth Proportional to 4,914,954.28, 7,372,425.08 and 1,320,721.30

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Solution

The fourth proportional to 4,914,954.28, 7,372,425.08 and 1,320,721.30 is: 1,981,080.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914,954.28 : 7,372,425.08 = 1,320,721.30 : x
  2. Step 2: Convert to fraction form
    4,914,954.28/7,372,425.08 = 1,320,721.30/x
  3. Step 3: Cross multiply
    4,914,954.28x = 7,372,425.08 × 1,320,721.30
  4. Step 4: Simplify right side
    4,914,954.28x = 9,736,918,835,810.21
  5. Step 5: Solve for x
    x = 9,736,918,835,810.21/4,914,954.28
  6. Step 6: Final answer
    x = 1,981,080.25

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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.