Home / 2,086,961.80-3,128,109.90-888,680.20

Finding the Fourth Proportional to 2,086,961.80, 3,128,109.90 and 888,680.20

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Solution

The fourth proportional to 2,086,961.80, 3,128,109.90 and 888,680.20 is: 1,332,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,961.80 : 3,128,109.90 = 888,680.20 : x
  2. Step 2: Convert to fraction form
    2,086,961.80/3,128,109.90 = 888,680.20/x
  3. Step 3: Cross multiply
    2,086,961.80x = 3,128,109.90 × 888,680.20
  4. Step 4: Simplify right side
    2,086,961.80x = 2,779,889,331,553.98
  5. Step 5: Solve for x
    x = 2,779,889,331,553.98/2,086,961.80
  6. Step 6: Final answer
    x = 1,332,026.94

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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.