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Finding the Fourth Proportional to 3,693,216.06, 5,541,774.57 and 2,620,659.22

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Solution

The fourth proportional to 3,693,216.06, 5,541,774.57 and 2,620,659.22 is: 3,932,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693,216.06 : 5,541,774.57 = 2,620,659.22 : x
  2. Step 2: Convert to fraction form
    3,693,216.06/5,541,774.57 = 2,620,659.22/x
  3. Step 3: Cross multiply
    3,693,216.06x = 5,541,774.57 × 2,620,659.22
  4. Step 4: Simplify right side
    3,693,216.06x = 14,523,102,608,177.60
  5. Step 5: Solve for x
    x = 14,523,102,608,177.60/3,693,216.06
  6. Step 6: Final answer
    x = 3,932,372.86

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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.