Home / 6,990,976.62-10,490,540.85-2,947,216.86

Finding the Fourth Proportional to 6,990,976.62, 10,490,540.85 and 2,947,216.86

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Solution

The fourth proportional to 6,990,976.62, 10,490,540.85 and 2,947,216.86 is: 4,422,543.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,976.62 : 10,490,540.85 = 2,947,216.86 : x
  2. Step 2: Convert to fraction form
    6,990,976.62/10,490,540.85 = 2,947,216.86/x
  3. Step 3: Cross multiply
    6,990,976.62x = 10,490,540.85 × 2,947,216.86
  4. Step 4: Simplify right side
    6,990,976.62x = 30,917,898,863,638.73
  5. Step 5: Solve for x
    x = 30,917,898,863,638.73/6,990,976.62
  6. Step 6: Final answer
    x = 4,422,543.59

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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.