Home / 3,131,732.39-4,697,601.17-857,275.65

Finding the Fourth Proportional to 3,131,732.39, 4,697,601.17 and 857,275.65

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Solution

The fourth proportional to 3,131,732.39, 4,697,601.17 and 857,275.65 is: 1,285,914.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,732.39 : 4,697,601.17 = 857,275.65 : x
  2. Step 2: Convert to fraction form
    3,131,732.39/4,697,601.17 = 857,275.65/x
  3. Step 3: Cross multiply
    3,131,732.39x = 4,697,601.17 × 857,275.65
  4. Step 4: Simplify right side
    3,131,732.39x = 4,027,139,092,166.13
  5. Step 5: Solve for x
    x = 4,027,139,092,166.13/3,131,732.39
  6. Step 6: Final answer
    x = 1,285,914.18

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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.