Home / 1,996,669.12-2,755,398.56-1,091,257.60

Finding the Fourth Proportional to 1,996,669.12, 2,755,398.56 and 1,091,257.60

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Solution

The fourth proportional to 1,996,669.12, 2,755,398.56 and 1,091,257.60 is: 1,505,932.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,669.12 : 2,755,398.56 = 1,091,257.60 : x
  2. Step 2: Convert to fraction form
    1,996,669.12/2,755,398.56 = 1,091,257.60/x
  3. Step 3: Cross multiply
    1,996,669.12x = 2,755,398.56 × 1,091,257.60
  4. Step 4: Simplify right side
    1,996,669.12x = 3,006,849,619,629.06
  5. Step 5: Solve for x
    x = 3,006,849,619,629.06/1,996,669.12
  6. Step 6: Final answer
    x = 1,505,932.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.