Home / 2,189,480.20-3,284,819.49-1,053,192.90

Finding the Fourth Proportional to 2,189,480.20, 3,284,819.49 and 1,053,192.90

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Solution

The fourth proportional to 2,189,480.20, 3,284,819.49 and 1,053,192.90 is: 1,580,077.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,480.20 : 3,284,819.49 = 1,053,192.90 : x
  2. Step 2: Convert to fraction form
    2,189,480.20/3,284,819.49 = 1,053,192.90/x
  3. Step 3: Cross multiply
    2,189,480.20x = 3,284,819.49 × 1,053,192.90
  4. Step 4: Simplify right side
    2,189,480.20x = 3,459,548,564,649.62
  5. Step 5: Solve for x
    x = 3,459,548,564,649.62/2,189,480.20
  6. Step 6: Final answer
    x = 1,580,077.57

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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.