Home / 3,944,153.14-5,916,996.52-1,515,128.78

Finding the Fourth Proportional to 3,944,153.14, 5,916,996.52 and 1,515,128.78

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Solution

The fourth proportional to 3,944,153.14, 5,916,996.52 and 1,515,128.78 is: 2,272,987.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944,153.14 : 5,916,996.52 = 1,515,128.78 : x
  2. Step 2: Convert to fraction form
    3,944,153.14/5,916,996.52 = 1,515,128.78/x
  3. Step 3: Cross multiply
    3,944,153.14x = 5,916,996.52 × 1,515,128.78
  4. Step 4: Simplify right side
    3,944,153.14x = 8,965,011,718,611.85
  5. Step 5: Solve for x
    x = 8,965,011,718,611.85/3,944,153.14
  6. Step 6: Final answer
    x = 2,272,987.74

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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.