Home / 5,428,546.56-7,487,243.01-3,687,558.30

Finding the Fourth Proportional to 5,428,546.56, 7,487,243.01 and 3,687,558.30

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Solution

The fourth proportional to 5,428,546.56, 7,487,243.01 and 3,687,558.30 is: 5,086,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,546.56 : 7,487,243.01 = 3,687,558.30 : x
  2. Step 2: Convert to fraction form
    5,428,546.56/7,487,243.01 = 3,687,558.30/x
  3. Step 3: Cross multiply
    5,428,546.56x = 7,487,243.01 × 3,687,558.30
  4. Step 4: Simplify right side
    5,428,546.56x = 27,609,645,105,642.48
  5. Step 5: Solve for x
    x = 27,609,645,105,642.48/5,428,546.56
  6. Step 6: Final answer
    x = 5,086,010.56

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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.