Home / 2,109,542.11-2,910,995.50-1,191,850.94

Finding the Fourth Proportional to 2,109,542.11, 2,910,995.50 and 1,191,850.94

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Solution

The fourth proportional to 2,109,542.11, 2,910,995.50 and 1,191,850.94 is: 1,644,656.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,542.11 : 2,910,995.50 = 1,191,850.94 : x
  2. Step 2: Convert to fraction form
    2,109,542.11/2,910,995.50 = 1,191,850.94/x
  3. Step 3: Cross multiply
    2,109,542.11x = 2,910,995.50 × 1,191,850.94
  4. Step 4: Simplify right side
    2,109,542.11x = 3,469,472,723,010.77
  5. Step 5: Solve for x
    x = 3,469,472,723,010.77/2,109,542.11
  6. Step 6: Final answer
    x = 1,644,656.77

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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.