Home / 2,278,558.30-3,419,149.65-859,632.70

Finding the Fourth Proportional to 2,278,558.30, 3,419,149.65 and 859,632.70

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Solution

The fourth proportional to 2,278,558.30, 3,419,149.65 and 859,632.70 is: 1,289,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,558.30 : 3,419,149.65 = 859,632.70 : x
  2. Step 2: Convert to fraction form
    2,278,558.30/3,419,149.65 = 859,632.70/x
  3. Step 3: Cross multiply
    2,278,558.30x = 3,419,149.65 × 859,632.70
  4. Step 4: Simplify right side
    2,278,558.30x = 2,939,212,845,333.56
  5. Step 5: Solve for x
    x = 2,939,212,845,333.56/2,278,558.30
  6. Step 6: Final answer
    x = 1,289,944.10

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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.