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Finding the Fourth Proportional to 3,982,702.54, 5,978,484.90 and 2,063,101.36

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Solution

The fourth proportional to 3,982,702.54, 5,978,484.90 and 2,063,101.36 is: 3,096,947.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982,702.54 : 5,978,484.90 = 2,063,101.36 : x
  2. Step 2: Convert to fraction form
    3,982,702.54/5,978,484.90 = 2,063,101.36/x
  3. Step 3: Cross multiply
    3,982,702.54x = 5,978,484.90 × 2,063,101.36
  4. Step 4: Simplify right side
    3,982,702.54x = 12,334,220,327,929.46
  5. Step 5: Solve for x
    x = 12,334,220,327,929.46/3,982,702.54
  6. Step 6: Final answer
    x = 3,096,947.41

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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.