Home / 2,947,900.80-4,421,356.56-818,201.28

Finding the Fourth Proportional to 2,947,900.80, 4,421,356.56 and 818,201.28

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Solution

The fourth proportional to 2,947,900.80, 4,421,356.56 and 818,201.28 is: 1,227,164.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,900.80 : 4,421,356.56 = 818,201.28 : x
  2. Step 2: Convert to fraction form
    2,947,900.80/4,421,356.56 = 818,201.28/x
  3. Step 3: Cross multiply
    2,947,900.80x = 4,421,356.56 × 818,201.28
  4. Step 4: Simplify right side
    2,947,900.80x = 3,617,559,596,728.40
  5. Step 5: Solve for x
    x = 3,617,559,596,728.40/2,947,900.80
  6. Step 6: Final answer
    x = 1,227,164.63

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