Home / 2,278,906.80-3,416,221.80-859,916.40

Finding the Fourth Proportional to 2,278,906.80, 3,416,221.80 and 859,916.40

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Solution

The fourth proportional to 2,278,906.80, 3,416,221.80 and 859,916.40 is: 1,289,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,906.80 : 3,416,221.80 = 859,916.40 : x
  2. Step 2: Convert to fraction form
    2,278,906.80/3,416,221.80 = 859,916.40/x
  3. Step 3: Cross multiply
    2,278,906.80x = 3,416,221.80 × 859,916.40
  4. Step 4: Simplify right side
    2,278,906.80x = 2,937,665,151,857.52
  5. Step 5: Solve for x
    x = 2,937,665,151,857.52/2,278,906.80
  6. Step 6: Final answer
    x = 1,289,067.70

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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.