Home / 5,082,471.05-7,013,910.36-2,790,611.69

Finding the Fourth Proportional to 5,082,471.05, 7,013,910.36 and 2,790,611.69

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Solution

The fourth proportional to 5,082,471.05, 7,013,910.36 and 2,790,611.69 is: 3,851,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082,471.05 : 7,013,910.36 = 2,790,611.69 : x
  2. Step 2: Convert to fraction form
    5,082,471.05/7,013,910.36 = 2,790,611.69/x
  3. Step 3: Cross multiply
    5,082,471.05x = 7,013,910.36 × 2,790,611.69
  4. Step 4: Simplify right side
    5,082,471.05x = 19,573,100,194,205.50
  5. Step 5: Solve for x
    x = 19,573,100,194,205.50/5,082,471.05
  6. Step 6: Final answer
    x = 3,851,099.20

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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.