Home / 2,182,721.40-3,274,082.10-1,993,764.60

Finding the Fourth Proportional to 2,182,721.40, 3,274,082.10 and 1,993,764.60

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Solution

The fourth proportional to 2,182,721.40, 3,274,082.10 and 1,993,764.60 is: 2,990,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,721.40 : 3,274,082.10 = 1,993,764.60 : x
  2. Step 2: Convert to fraction form
    2,182,721.40/3,274,082.10 = 1,993,764.60/x
  3. Step 3: Cross multiply
    2,182,721.40x = 3,274,082.10 × 1,993,764.60
  4. Step 4: Simplify right side
    2,182,721.40x = 6,527,748,988,473.66
  5. Step 5: Solve for x
    x = 6,527,748,988,473.66/2,182,721.40
  6. Step 6: Final answer
    x = 2,990,646.90

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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.