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Finding the Fourth Proportional to 2,691,664.20, 4,033,809.90 and 2,194,000.20

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Solution

The fourth proportional to 2,691,664.20, 4,033,809.90 and 2,194,000.20 is: 3,287,995.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691,664.20 : 4,033,809.90 = 2,194,000.20 : x
  2. Step 2: Convert to fraction form
    2,691,664.20/4,033,809.90 = 2,194,000.20/x
  3. Step 3: Cross multiply
    2,691,664.20x = 4,033,809.90 × 2,194,000.20
  4. Step 4: Simplify right side
    2,691,664.20x = 8,850,179,727,361.98
  5. Step 5: Solve for x
    x = 8,850,179,727,361.98/2,691,664.20
  6. Step 6: Final answer
    x = 3,287,995.48

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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.