Home / 2,085,691.80-3,126,204.90-1,187,563.80

Finding the Fourth Proportional to 2,085,691.80, 3,126,204.90 and 1,187,563.80

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Solution

The fourth proportional to 2,085,691.80, 3,126,204.90 and 1,187,563.80 is: 1,780,017.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,691.80 : 3,126,204.90 = 1,187,563.80 : x
  2. Step 2: Convert to fraction form
    2,085,691.80/3,126,204.90 = 1,187,563.80/x
  3. Step 3: Cross multiply
    2,085,691.80x = 3,126,204.90 × 1,187,563.80
  4. Step 4: Simplify right side
    2,085,691.80x = 3,712,567,770,622.62
  5. Step 5: Solve for x
    x = 3,712,567,770,622.62/2,085,691.80
  6. Step 6: Final answer
    x = 1,780,017.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.