Home / 5,177,538.14-7,767,428.27-1,982,664.45

Finding the Fourth Proportional to 5,177,538.14, 7,767,428.27 and 1,982,664.45

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Solution

The fourth proportional to 5,177,538.14, 7,767,428.27 and 1,982,664.45 is: 2,974,425.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,538.14 : 7,767,428.27 = 1,982,664.45 : x
  2. Step 2: Convert to fraction form
    5,177,538.14/7,767,428.27 = 1,982,664.45/x
  3. Step 3: Cross multiply
    5,177,538.14x = 7,767,428.27 × 1,982,664.45
  4. Step 4: Simplify right side
    5,177,538.14x = 15,400,203,888,940.68
  5. Step 5: Solve for x
    x = 15,400,203,888,940.68/5,177,538.14
  6. Step 6: Final answer
    x = 2,974,425.97

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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.