Home / 5,421,221.28-7,481,215.54-3,098,087.20

Finding the Fourth Proportional to 5,421,221.28, 7,481,215.54 and 3,098,087.20

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Solution

The fourth proportional to 5,421,221.28, 7,481,215.54 and 3,098,087.20 is: 4,275,320.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421,221.28 : 7,481,215.54 = 3,098,087.20 : x
  2. Step 2: Convert to fraction form
    5,421,221.28/7,481,215.54 = 3,098,087.20/x
  3. Step 3: Cross multiply
    5,421,221.28x = 7,481,215.54 × 3,098,087.20
  4. Step 4: Simplify right side
    5,421,221.28x = 23,177,458,104,915.09
  5. Step 5: Solve for x
    x = 23,177,458,104,915.09/5,421,221.28
  6. Step 6: Final answer
    x = 4,275,320.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.