Home / 3,781,932.57-5,672,948.99-1,188,152.69

Finding the Fourth Proportional to 3,781,932.57, 5,672,948.99 and 1,188,152.69

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Solution

The fourth proportional to 3,781,932.57, 5,672,948.99 and 1,188,152.69 is: 1,782,244.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,932.57 : 5,672,948.99 = 1,188,152.69 : x
  2. Step 2: Convert to fraction form
    3,781,932.57/5,672,948.99 = 1,188,152.69/x
  3. Step 3: Cross multiply
    3,781,932.57x = 5,672,948.99 × 1,188,152.69
  4. Step 4: Simplify right side
    3,781,932.57x = 6,740,329,568,395.78
  5. Step 5: Solve for x
    x = 6,740,329,568,395.78/3,781,932.57
  6. Step 6: Final answer
    x = 1,782,244.78

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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.