Home / 2,727,530.73-4,090,853.84-1,288,212.57

Finding the Fourth Proportional to 2,727,530.73, 4,090,853.84 and 1,288,212.57

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Solution

The fourth proportional to 2,727,530.73, 4,090,853.84 and 1,288,212.57 is: 1,932,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727,530.73 : 4,090,853.84 = 1,288,212.57 : x
  2. Step 2: Convert to fraction form
    2,727,530.73/4,090,853.84 = 1,288,212.57/x
  3. Step 3: Cross multiply
    2,727,530.73x = 4,090,853.84 × 1,288,212.57
  4. Step 4: Simplify right side
    2,727,530.73x = 5,269,889,332,279.71
  5. Step 5: Solve for x
    x = 5,269,889,332,279.71/2,727,530.73
  6. Step 6: Final answer
    x = 1,932,109.98

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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.