Home / 2,650,815.82-3,976,112.67-853,659.51

Finding the Fourth Proportional to 2,650,815.82, 3,976,112.67 and 853,659.51

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Solution

The fourth proportional to 2,650,815.82, 3,976,112.67 and 853,659.51 is: 1,280,453.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650,815.82 : 3,976,112.67 = 853,659.51 : x
  2. Step 2: Convert to fraction form
    2,650,815.82/3,976,112.67 = 853,659.51/x
  3. Step 3: Cross multiply
    2,650,815.82x = 3,976,112.67 × 853,659.51
  4. Step 4: Simplify right side
    2,650,815.82x = 3,394,246,393,576.99
  5. Step 5: Solve for x
    x = 3,394,246,393,576.99/2,650,815.82
  6. Step 6: Final answer
    x = 1,280,453.50

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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.