Home / 2,278,559.80-3,419,151.90-859,634.20

Finding the Fourth Proportional to 2,278,559.80, 3,419,151.90 and 859,634.20

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Solution

The fourth proportional to 2,278,559.80, 3,419,151.90 and 859,634.20 is: 1,289,946.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,559.80 : 3,419,151.90 = 859,634.20 : x
  2. Step 2: Convert to fraction form
    2,278,559.80/3,419,151.90 = 859,634.20/x
  3. Step 3: Cross multiply
    2,278,559.80x = 3,419,151.90 × 859,634.20
  4. Step 4: Simplify right side
    2,278,559.80x = 2,939,219,908,234.98
  5. Step 5: Solve for x
    x = 2,939,219,908,234.98/2,278,559.80
  6. Step 6: Final answer
    x = 1,289,946.35

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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.