Home / 3,990,515.63-5,506,912.17-2,179,679.63

Finding the Fourth Proportional to 3,990,515.63, 5,506,912.17 and 2,179,679.63

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Solution

The fourth proportional to 3,990,515.63, 5,506,912.17 and 2,179,679.63 is: 3,007,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,515.63 : 5,506,912.17 = 2,179,679.63 : x
  2. Step 2: Convert to fraction form
    3,990,515.63/5,506,912.17 = 2,179,679.63/x
  3. Step 3: Cross multiply
    3,990,515.63x = 5,506,912.17 × 2,179,679.63
  4. Step 4: Simplify right side
    3,990,515.63x = 12,003,304,253,613.54
  5. Step 5: Solve for x
    x = 12,003,304,253,613.54/3,990,515.63
  6. Step 6: Final answer
    x = 3,007,958.21

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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.