Home / 2,910,772.40-4,368,232.20-1,229,082.80

Finding the Fourth Proportional to 2,910,772.40, 4,368,232.20 and 1,229,082.80

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Solution

The fourth proportional to 2,910,772.40, 4,368,232.20 and 1,229,082.80 is: 1,844,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,772.40 : 4,368,232.20 = 1,229,082.80 : x
  2. Step 2: Convert to fraction form
    2,910,772.40/4,368,232.20 = 1,229,082.80/x
  3. Step 3: Cross multiply
    2,910,772.40x = 4,368,232.20 × 1,229,082.80
  4. Step 4: Simplify right side
    2,910,772.40x = 5,368,919,063,426.16
  5. Step 5: Solve for x
    x = 5,368,919,063,426.16/2,910,772.40
  6. Step 6: Final answer
    x = 1,844,499.78

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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.