Home / 2,612,930.52-3,919,394.32-815,968

Finding the Fourth Proportional to 2,612,930.52, 3,919,394.32 and 815,968

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Solution

The fourth proportional to 2,612,930.52, 3,919,394.32 and 815,968 is: 1,223,951.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612,930.52 : 3,919,394.32 = 815,968 : x
  2. Step 2: Convert to fraction form
    2,612,930.52/3,919,394.32 = 815,968/x
  3. Step 3: Cross multiply
    2,612,930.52x = 3,919,394.32 × 815,968
  4. Step 4: Simplify right side
    2,612,930.52x = 3,198,100,344,501.76
  5. Step 5: Solve for x
    x = 3,198,100,344,501.76/2,612,930.52
  6. Step 6: Final answer
    x = 1,223,951.54

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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.