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Finding the Fourth Proportional to 1,660,999.90, 2,326,974.50 and 1,660,999.90

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Solution

The fourth proportional to 1,660,999.90, 2,326,974.50 and 1,660,999.90 is: 2,326,974.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,999.90 : 2,326,974.50 = 1,660,999.90 : x
  2. Step 2: Convert to fraction form
    1,660,999.90/2,326,974.50 = 1,660,999.90/x
  3. Step 3: Cross multiply
    1,660,999.90x = 2,326,974.50 × 1,660,999.90
  4. Step 4: Simplify right side
    1,660,999.90x = 3,865,104,411,802.55
  5. Step 5: Solve for x
    x = 3,865,104,411,802.55/1,660,999.90
  6. Step 6: Final answer
    x = 2,326,974.50

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