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Finding the Fourth Proportional to 1,985,857.32, 2,978,884.40 and 566,122.53

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Solution

The fourth proportional to 1,985,857.32, 2,978,884.40 and 566,122.53 is: 849,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,857.32 : 2,978,884.40 = 566,122.53 : x
  2. Step 2: Convert to fraction form
    1,985,857.32/2,978,884.40 = 566,122.53/x
  3. Step 3: Cross multiply
    1,985,857.32x = 2,978,884.40 × 566,122.53
  4. Step 4: Simplify right side
    1,985,857.32x = 1,686,413,570,274.92
  5. Step 5: Solve for x
    x = 1,686,413,570,274.92/1,985,857.32
  6. Step 6: Final answer
    x = 849,211.85

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