Home / 6,990,541.30-10,486,185.62-2,198,604.23

Finding the Fourth Proportional to 6,990,541.30, 10,486,185.62 and 2,198,604.23

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Solution

The fourth proportional to 6,990,541.30, 10,486,185.62 and 2,198,604.23 is: 3,298,023.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,541.30 : 10,486,185.62 = 2,198,604.23 : x
  2. Step 2: Convert to fraction form
    6,990,541.30/10,486,185.62 = 2,198,604.23/x
  3. Step 3: Cross multiply
    6,990,541.30x = 10,486,185.62 × 2,198,604.23
  4. Step 4: Simplify right side
    6,990,541.30x = 23,054,972,049,704.15
  5. Step 5: Solve for x
    x = 23,054,972,049,704.15/6,990,541.30
  6. Step 6: Final answer
    x = 3,298,023.87

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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.