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Finding the Fourth Proportional to 3,978,558, 5,490,410.04 and 2,167,722

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Solution

The fourth proportional to 3,978,558, 5,490,410.04 and 2,167,722 is: 2,991,456.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,978,558 : 5,490,410.04 = 2,167,722 : x
  2. Step 2: Convert to fraction form
    3,978,558/5,490,410.04 = 2,167,722/x
  3. Step 3: Cross multiply
    3,978,558x = 5,490,410.04 × 2,167,722
  4. Step 4: Simplify right side
    3,978,558x = 11,901,682,632,728.88
  5. Step 5: Solve for x
    x = 11,901,682,632,728.88/3,978,558
  6. Step 6: Final answer
    x = 2,991,456.36

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