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Finding the Fourth Proportional to 2,894,605.97, 3,991,942.32 and 1,806,978.47

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Solution

The fourth proportional to 2,894,605.97, 3,991,942.32 and 1,806,978.47 is: 2,491,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894,605.97 : 3,991,942.32 = 1,806,978.47 : x
  2. Step 2: Convert to fraction form
    2,894,605.97/3,991,942.32 = 1,806,978.47/x
  3. Step 3: Cross multiply
    2,894,605.97x = 3,991,942.32 × 1,806,978.47
  4. Step 4: Simplify right side
    2,894,605.97x = 7,213,353,825,721.85
  5. Step 5: Solve for x
    x = 7,213,353,825,721.85/2,894,605.97
  6. Step 6: Final answer
    x = 2,491,998.53

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