Home / 2,519,489.59-3,778,459.22-721,891.42

Finding the Fourth Proportional to 2,519,489.59, 3,778,459.22 and 721,891.42

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Solution

The fourth proportional to 2,519,489.59, 3,778,459.22 and 721,891.42 is: 1,082,615.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,489.59 : 3,778,459.22 = 721,891.42 : x
  2. Step 2: Convert to fraction form
    2,519,489.59/3,778,459.22 = 721,891.42/x
  3. Step 3: Cross multiply
    2,519,489.59x = 3,778,459.22 × 721,891.42
  4. Step 4: Simplify right side
    2,519,489.59x = 2,727,637,288,128.44
  5. Step 5: Solve for x
    x = 2,727,637,288,128.44/2,519,489.59
  6. Step 6: Final answer
    x = 1,082,615.03

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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.