Home / 2,650,826.70-3,976,128.96-853,670.38

Finding the Fourth Proportional to 2,650,826.70, 3,976,128.96 and 853,670.38

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Solution

The fourth proportional to 2,650,826.70, 3,976,128.96 and 853,670.38 is: 1,280,469.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650,826.70 : 3,976,128.96 = 853,670.38 : x
  2. Step 2: Convert to fraction form
    2,650,826.70/3,976,128.96 = 853,670.38/x
  3. Step 3: Cross multiply
    2,650,826.70x = 3,976,128.96 × 853,670.38
  4. Step 4: Simplify right side
    2,650,826.70x = 3,394,303,520,212.20
  5. Step 5: Solve for x
    x = 3,394,303,520,212.20/2,650,826.70
  6. Step 6: Final answer
    x = 1,280,469.79

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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.