Home / 3,992,419.11-5,990,344.25-1,297,570.17

Finding the Fourth Proportional to 3,992,419.11, 5,990,344.25 and 1,297,570.17

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Solution

The fourth proportional to 3,992,419.11, 5,990,344.25 and 1,297,570.17 is: 1,946,912.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,419.11 : 5,990,344.25 = 1,297,570.17 : x
  2. Step 2: Convert to fraction form
    3,992,419.11/5,990,344.25 = 1,297,570.17/x
  3. Step 3: Cross multiply
    3,992,419.11x = 5,990,344.25 × 1,297,570.17
  4. Step 4: Simplify right side
    3,992,419.11x = 7,772,892,000,343.17
  5. Step 5: Solve for x
    x = 7,772,892,000,343.17/3,992,419.11
  6. Step 6: Final answer
    x = 1,946,912.83

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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.