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Finding the Fourth Proportional to 3,882,546.64, 5,824,607.16 and 1,486,469.20

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Solution

The fourth proportional to 3,882,546.64, 5,824,607.16 and 1,486,469.20 is: 2,230,005.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882,546.64 : 5,824,607.16 = 1,486,469.20 : x
  2. Step 2: Convert to fraction form
    3,882,546.64/5,824,607.16 = 1,486,469.20/x
  3. Step 3: Cross multiply
    3,882,546.64x = 5,824,607.16 × 1,486,469.20
  4. Step 4: Simplify right side
    3,882,546.64x = 8,658,099,145,439.47
  5. Step 5: Solve for x
    x = 8,658,099,145,439.47/3,882,546.64
  6. Step 6: Final answer
    x = 2,230,005.19

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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.