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Finding the Fourth Proportional to 1,835,998.60, 2,753,997.90 and 1,481,704.60

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Solution

The fourth proportional to 1,835,998.60, 2,753,997.90 and 1,481,704.60 is: 2,222,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835,998.60 : 2,753,997.90 = 1,481,704.60 : x
  2. Step 2: Convert to fraction form
    1,835,998.60/2,753,997.90 = 1,481,704.60/x
  3. Step 3: Cross multiply
    1,835,998.60x = 2,753,997.90 × 1,481,704.60
  4. Step 4: Simplify right side
    1,835,998.60x = 4,080,611,356,820.34
  5. Step 5: Solve for x
    x = 4,080,611,356,820.34/1,835,998.60
  6. Step 6: Final answer
    x = 2,222,556.90

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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.