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Finding the Fourth Proportional to 1,665,905.70, 2,336,991.90 and 1,665,905.70

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Solution

The fourth proportional to 1,665,905.70, 2,336,991.90 and 1,665,905.70 is: 2,336,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,905.70 : 2,336,991.90 = 1,665,905.70 : x
  2. Step 2: Convert to fraction form
    1,665,905.70/2,336,991.90 = 1,665,905.70/x
  3. Step 3: Cross multiply
    1,665,905.70x = 2,336,991.90 × 1,665,905.70
  4. Step 4: Simplify right side
    1,665,905.70x = 3,893,208,127,063.83
  5. Step 5: Solve for x
    x = 3,893,208,127,063.83/1,665,905.70
  6. Step 6: Final answer
    x = 2,336,991.90

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