Home / 2,215,489.68-3,057,429.82-1,235,419.14

Finding the Fourth Proportional to 2,215,489.68, 3,057,429.82 and 1,235,419.14

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Solution

The fourth proportional to 2,215,489.68, 3,057,429.82 and 1,235,419.14 is: 1,704,908.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,489.68 : 3,057,429.82 = 1,235,419.14 : x
  2. Step 2: Convert to fraction form
    2,215,489.68/3,057,429.82 = 1,235,419.14/x
  3. Step 3: Cross multiply
    2,215,489.68x = 3,057,429.82 × 1,235,419.14
  4. Step 4: Simplify right side
    2,215,489.68x = 3,777,207,323,389.78
  5. Step 5: Solve for x
    x = 3,777,207,323,389.78/2,215,489.68
  6. Step 6: Final answer
    x = 1,704,908.56

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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.