Home / 3,786,257.88-5,679,386.81-1,126,865.88

Finding the Fourth Proportional to 3,786,257.88, 5,679,386.81 and 1,126,865.88

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Solution

The fourth proportional to 3,786,257.88, 5,679,386.81 and 1,126,865.88 is: 1,690,298.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786,257.88 : 5,679,386.81 = 1,126,865.88 : x
  2. Step 2: Convert to fraction form
    3,786,257.88/5,679,386.81 = 1,126,865.88/x
  3. Step 3: Cross multiply
    3,786,257.88x = 5,679,386.81 × 1,126,865.88
  4. Step 4: Simplify right side
    3,786,257.88x = 6,399,907,189,931.27
  5. Step 5: Solve for x
    x = 6,399,907,189,931.27/3,786,257.88
  6. Step 6: Final answer
    x = 1,690,298.81

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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.