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Finding the Fourth Proportional to 1,978,841.88, 2,730,802.68 and 1,119,383.82

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Solution

The fourth proportional to 1,978,841.88, 2,730,802.68 and 1,119,383.82 is: 1,544,750.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,841.88 : 2,730,802.68 = 1,119,383.82 : x
  2. Step 2: Convert to fraction form
    1,978,841.88/2,730,802.68 = 1,119,383.82/x
  3. Step 3: Cross multiply
    1,978,841.88x = 2,730,802.68 × 1,119,383.82
  4. Step 4: Simplify right side
    1,978,841.88x = 3,056,816,335,604.64
  5. Step 5: Solve for x
    x = 3,056,816,335,604.64/1,978,841.88
  6. Step 6: Final answer
    x = 1,544,750.17

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Why These Related Problems?

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