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Finding the Fourth Proportional to 3,796,239.60, 5,694,858.90 and 1,401,766.20

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Solution

The fourth proportional to 3,796,239.60, 5,694,858.90 and 1,401,766.20 is: 2,102,833.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,796,239.60 : 5,694,858.90 = 1,401,766.20 : x
  2. Step 2: Convert to fraction form
    3,796,239.60/5,694,858.90 = 1,401,766.20/x
  3. Step 3: Cross multiply
    3,796,239.60x = 5,694,858.90 × 1,401,766.20
  4. Step 4: Simplify right side
    3,796,239.60x = 7,982,860,719,789.18
  5. Step 5: Solve for x
    x = 7,982,860,719,789.18/3,796,239.60
  6. Step 6: Final answer
    x = 2,102,833.74

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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.