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Finding the Fourth Proportional to 3,982,703.54, 5,978,486.40 and 2,063,102.36

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Solution

The fourth proportional to 3,982,703.54, 5,978,486.40 and 2,063,102.36 is: 3,096,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982,703.54 : 5,978,486.40 = 2,063,102.36 : x
  2. Step 2: Convert to fraction form
    3,982,703.54/5,978,486.40 = 2,063,102.36/x
  3. Step 3: Cross multiply
    3,982,703.54x = 5,978,486.40 × 2,063,102.36
  4. Step 4: Simplify right side
    3,982,703.54x = 12,334,229,401,067.91
  5. Step 5: Solve for x
    x = 12,334,229,401,067.91/3,982,703.54
  6. Step 6: Final answer
    x = 3,096,948.91

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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.