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Finding the Fourth Proportional to 1,978,266.80, 2,967,400.20 and 1,480,602.80

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Solution

The fourth proportional to 1,978,266.80, 2,967,400.20 and 1,480,602.80 is: 2,220,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,266.80 : 2,967,400.20 = 1,480,602.80 : x
  2. Step 2: Convert to fraction form
    1,978,266.80/2,967,400.20 = 1,480,602.80/x
  3. Step 3: Cross multiply
    1,978,266.80x = 2,967,400.20 × 1,480,602.80
  4. Step 4: Simplify right side
    1,978,266.80x = 4,393,541,044,840.56
  5. Step 5: Solve for x
    x = 4,393,541,044,840.56/1,978,266.80
  6. Step 6: Final answer
    x = 2,220,904.20

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