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Finding the Fourth Proportional to 3,978,590.28, 5,970,201.18 and 1,672,916.61

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Solution

The fourth proportional to 3,978,590.28, 5,970,201.18 and 1,672,916.61 is: 2,510,348.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,978,590.28 : 5,970,201.18 = 1,672,916.61 : x
  2. Step 2: Convert to fraction form
    3,978,590.28/5,970,201.18 = 1,672,916.61/x
  3. Step 3: Cross multiply
    3,978,590.28x = 5,970,201.18 × 1,672,916.61
  4. Step 4: Simplify right side
    3,978,590.28x = 9,987,648,719,063.60
  5. Step 5: Solve for x
    x = 9,987,648,719,063.60/3,978,590.28
  6. Step 6: Final answer
    x = 2,510,348.65

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