Home / 6,990,555.91-10,486,207.55-2,198,618.84

Finding the Fourth Proportional to 6,990,555.91, 10,486,207.55 and 2,198,618.84

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Solution

The fourth proportional to 6,990,555.91, 10,486,207.55 and 2,198,618.84 is: 3,298,045.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,555.91 : 10,486,207.55 = 2,198,618.84 : x
  2. Step 2: Convert to fraction form
    6,990,555.91/10,486,207.55 = 2,198,618.84/x
  3. Step 3: Cross multiply
    6,990,555.91x = 10,486,207.55 × 2,198,618.84
  4. Step 4: Simplify right side
    6,990,555.91x = 23,055,173,474,083.69
  5. Step 5: Solve for x
    x = 23,055,173,474,083.69/6,990,555.91
  6. Step 6: Final answer
    x = 3,298,045.79

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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.