Home / 5,279,934.38-7,286,309.44-2,865,486.38

Finding the Fourth Proportional to 5,279,934.38, 7,286,309.44 and 2,865,486.38

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Solution

The fourth proportional to 5,279,934.38, 7,286,309.44 and 2,865,486.38 is: 3,954,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279,934.38 : 7,286,309.44 = 2,865,486.38 : x
  2. Step 2: Convert to fraction form
    5,279,934.38/7,286,309.44 = 2,865,486.38/x
  3. Step 3: Cross multiply
    5,279,934.38x = 7,286,309.44 × 2,865,486.38
  4. Step 4: Simplify right side
    5,279,934.38x = 20,878,820,417,190.16
  5. Step 5: Solve for x
    x = 20,878,820,417,190.16/5,279,934.38
  6. Step 6: Final answer
    x = 3,954,371.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.