Home / 2,861,296.79-4,292,609.92-839,459.03

Finding the Fourth Proportional to 2,861,296.79, 4,292,609.92 and 839,459.03

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Solution

The fourth proportional to 2,861,296.79, 4,292,609.92 and 839,459.03 is: 1,259,383.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,296.79 : 4,292,609.92 = 839,459.03 : x
  2. Step 2: Convert to fraction form
    2,861,296.79/4,292,609.92 = 839,459.03/x
  3. Step 3: Cross multiply
    2,861,296.79x = 4,292,609.92 × 839,459.03
  4. Step 4: Simplify right side
    2,861,296.79x = 3,603,470,136,049.88
  5. Step 5: Solve for x
    x = 3,603,470,136,049.88/2,861,296.79
  6. Step 6: Final answer
    x = 1,259,383.56

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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.