Home / 3,005,130.80-4,508,221.10-1,322,190.56

Finding the Fourth Proportional to 3,005,130.80, 4,508,221.10 and 1,322,190.56

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Solution

The fourth proportional to 3,005,130.80, 4,508,221.10 and 1,322,190.56 is: 1,983,516.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,130.80 : 4,508,221.10 = 1,322,190.56 : x
  2. Step 2: Convert to fraction form
    3,005,130.80/4,508,221.10 = 1,322,190.56/x
  3. Step 3: Cross multiply
    3,005,130.80x = 4,508,221.10 × 1,322,190.56
  4. Step 4: Simplify right side
    3,005,130.80x = 5,960,727,385,472.42
  5. Step 5: Solve for x
    x = 5,960,727,385,472.42/3,005,130.80
  6. Step 6: Final answer
    x = 1,983,516.78

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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.