Home / 3,131,717.52-4,697,578.84-857,260.74

Finding the Fourth Proportional to 3,131,717.52, 4,697,578.84 and 857,260.74

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Solution

The fourth proportional to 3,131,717.52, 4,697,578.84 and 857,260.74 is: 1,285,891.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,717.52 : 4,697,578.84 = 857,260.74 : x
  2. Step 2: Convert to fraction form
    3,131,717.52/4,697,578.84 = 857,260.74/x
  3. Step 3: Cross multiply
    3,131,717.52x = 4,697,578.84 × 857,260.74
  4. Step 4: Simplify right side
    3,131,717.52x = 4,027,049,912,586.74
  5. Step 5: Solve for x
    x = 4,027,049,912,586.74/3,131,717.52
  6. Step 6: Final answer
    x = 1,285,891.81

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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.