Home / 2,278,471.80-3,419,019.90-859,546.20

Finding the Fourth Proportional to 2,278,471.80, 3,419,019.90 and 859,546.20

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Solution

The fourth proportional to 2,278,471.80, 3,419,019.90 and 859,546.20 is: 1,289,814.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,471.80 : 3,419,019.90 = 859,546.20 : x
  2. Step 2: Convert to fraction form
    2,278,471.80/3,419,019.90 = 859,546.20/x
  3. Step 3: Cross multiply
    2,278,471.80x = 3,419,019.90 × 859,546.20
  4. Step 4: Simplify right side
    2,278,471.80x = 2,938,805,562,769.38
  5. Step 5: Solve for x
    x = 2,938,805,562,769.38/2,278,471.80
  6. Step 6: Final answer
    x = 1,289,814.32

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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.