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Finding the Fourth Proportional to 3,982,699.53, 5,978,480.40 and 2,063,098.35

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Solution

The fourth proportional to 3,982,699.53, 5,978,480.40 and 2,063,098.35 is: 3,096,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982,699.53 : 5,978,480.40 = 2,063,098.35 : x
  2. Step 2: Convert to fraction form
    3,982,699.53/5,978,480.40 = 2,063,098.35/x
  3. Step 3: Cross multiply
    3,982,699.53x = 5,978,480.40 × 2,063,098.35
  4. Step 4: Simplify right side
    3,982,699.53x = 12,334,193,048,747.34
  5. Step 5: Solve for x
    x = 12,334,193,048,747.34/3,982,699.53
  6. Step 6: Final answer
    x = 3,096,942.90

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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.