Home / 3,425,647.68-4,727,049.84-1,897,469.28

Finding the Fourth Proportional to 3,425,647.68, 4,727,049.84 and 1,897,469.28

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Solution

The fourth proportional to 3,425,647.68, 4,727,049.84 and 1,897,469.28 is: 2,618,317.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425,647.68 : 4,727,049.84 = 1,897,469.28 : x
  2. Step 2: Convert to fraction form
    3,425,647.68/4,727,049.84 = 1,897,469.28/x
  3. Step 3: Cross multiply
    3,425,647.68x = 4,727,049.84 × 1,897,469.28
  4. Step 4: Simplify right side
    3,425,647.68x = 8,969,431,856,428.92
  5. Step 5: Solve for x
    x = 8,969,431,856,428.92/3,425,647.68
  6. Step 6: Final answer
    x = 2,618,317.09

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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.