Home / 3,947,660.82-5,920,605.51-1,815,696.66

Finding the Fourth Proportional to 3,947,660.82, 5,920,605.51 and 1,815,696.66

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Solution

The fourth proportional to 3,947,660.82, 5,920,605.51 and 1,815,696.66 is: 2,723,137.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,660.82 : 5,920,605.51 = 1,815,696.66 : x
  2. Step 2: Convert to fraction form
    3,947,660.82/5,920,605.51 = 1,815,696.66/x
  3. Step 3: Cross multiply
    3,947,660.82x = 5,920,605.51 × 1,815,696.66
  4. Step 4: Simplify right side
    3,947,660.82x = 10,750,023,649,684.60
  5. Step 5: Solve for x
    x = 10,750,023,649,684.60/3,947,660.82
  6. Step 6: Final answer
    x = 2,723,137.61

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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.