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Finding the Fourth Proportional to 1,978,215.32, 2,967,821.94 and 914,009.78

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Solution

The fourth proportional to 1,978,215.32, 2,967,821.94 and 914,009.78 is: 1,371,245.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,215.32 : 2,967,821.94 = 914,009.78 : x
  2. Step 2: Convert to fraction form
    1,978,215.32/2,967,821.94 = 914,009.78/x
  3. Step 3: Cross multiply
    1,978,215.32x = 2,967,821.94 × 914,009.78
  4. Step 4: Simplify right side
    1,978,215.32x = 2,712,618,278,458.57
  5. Step 5: Solve for x
    x = 2,712,618,278,458.57/1,978,215.32
  6. Step 6: Final answer
    x = 1,371,245.21

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