Home / 3,786,270.75-5,679,406.13-1,126,878.75

Finding the Fourth Proportional to 3,786,270.75, 5,679,406.13 and 1,126,878.75

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Solution

The fourth proportional to 3,786,270.75, 5,679,406.13 and 1,126,878.75 is: 1,690,318.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786,270.75 : 5,679,406.13 = 1,126,878.75 : x
  2. Step 2: Convert to fraction form
    3,786,270.75/5,679,406.13 = 1,126,878.75/x
  3. Step 3: Cross multiply
    3,786,270.75x = 5,679,406.13 × 1,126,878.75
  4. Step 4: Simplify right side
    3,786,270.75x = 6,400,002,074,882.34
  5. Step 5: Solve for x
    x = 6,400,002,074,882.34/3,786,270.75
  6. Step 6: Final answer
    x = 1,690,318.13

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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.