Home / 2,109,540.36-2,910,993.09-1,191,849.19

Finding the Fourth Proportional to 2,109,540.36, 2,910,993.09 and 1,191,849.19

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Solution

The fourth proportional to 2,109,540.36, 2,910,993.09 and 1,191,849.19 is: 1,644,654.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,540.36 : 2,910,993.09 = 1,191,849.19 : x
  2. Step 2: Convert to fraction form
    2,109,540.36/2,910,993.09 = 1,191,849.19/x
  3. Step 3: Cross multiply
    2,109,540.36x = 2,910,993.09 × 1,191,849.19
  4. Step 4: Simplify right side
    2,109,540.36x = 3,469,464,744,665.18
  5. Step 5: Solve for x
    x = 3,469,464,744,665.18/2,109,540.36
  6. Step 6: Final answer
    x = 1,644,654.36

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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.