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Finding the Fourth Proportional to 3,857,073.18, 5,786,573.22 and 2,722,050.78

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Solution

The fourth proportional to 3,857,073.18, 5,786,573.22 and 2,722,050.78 is: 4,083,756.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857,073.18 : 5,786,573.22 = 2,722,050.78 : x
  2. Step 2: Convert to fraction form
    3,857,073.18/5,786,573.22 = 2,722,050.78/x
  3. Step 3: Cross multiply
    3,857,073.18x = 5,786,573.22 × 2,722,050.78
  4. Step 4: Simplify right side
    3,857,073.18x = 15,751,346,147,028.11
  5. Step 5: Solve for x
    x = 15,751,346,147,028.11/3,857,073.18
  6. Step 6: Final answer
    x = 4,083,756.11

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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.