Home / 3,931,063.74-5,424,906.60-2,188,757.43

Finding the Fourth Proportional to 3,931,063.74, 5,424,906.60 and 2,188,757.43

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Solution

The fourth proportional to 3,931,063.74, 5,424,906.60 and 2,188,757.43 is: 3,020,506.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,063.74 : 5,424,906.60 = 2,188,757.43 : x
  2. Step 2: Convert to fraction form
    3,931,063.74/5,424,906.60 = 2,188,757.43/x
  3. Step 3: Cross multiply
    3,931,063.74x = 5,424,906.60 × 2,188,757.43
  4. Step 4: Simplify right side
    3,931,063.74x = 11,873,804,627,806.04
  5. Step 5: Solve for x
    x = 11,873,804,627,806.04/3,931,063.74
  6. Step 6: Final answer
    x = 3,020,506.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.