Home / 5,177,538.75-7,767,429.20-1,982,665.07

Finding the Fourth Proportional to 5,177,538.75, 7,767,429.20 and 1,982,665.07

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Solution

The fourth proportional to 5,177,538.75, 7,767,429.20 and 1,982,665.07 is: 2,974,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,538.75 : 7,767,429.20 = 1,982,665.07 : x
  2. Step 2: Convert to fraction form
    5,177,538.75/7,767,429.20 = 1,982,665.07/x
  3. Step 3: Cross multiply
    5,177,538.75x = 7,767,429.20 × 1,982,665.07
  4. Step 4: Simplify right side
    5,177,538.75x = 15,400,210,558,538.04
  5. Step 5: Solve for x
    x = 15,400,210,558,538.04/5,177,538.75
  6. Step 6: Final answer
    x = 2,974,426.90

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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.