Home / 3,858,292.71-5,786,875.61-1,125,105.69

Finding the Fourth Proportional to 3,858,292.71, 5,786,875.61 and 1,125,105.69

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Solution

The fourth proportional to 3,858,292.71, 5,786,875.61 and 1,125,105.69 is: 1,687,494.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858,292.71 : 5,786,875.61 = 1,125,105.69 : x
  2. Step 2: Convert to fraction form
    3,858,292.71/5,786,875.61 = 1,125,105.69/x
  3. Step 3: Cross multiply
    3,858,292.71x = 5,786,875.61 × 1,125,105.69
  4. Step 4: Simplify right side
    3,858,292.71x = 6,510,846,681,677.43
  5. Step 5: Solve for x
    x = 6,510,846,681,677.43/3,858,292.71
  6. Step 6: Final answer
    x = 1,687,494.23

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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.