Home / 5,279,286-7,285,414.68-2,864,838

Finding the Fourth Proportional to 5,279,286, 7,285,414.68 and 2,864,838

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Solution

The fourth proportional to 5,279,286, 7,285,414.68 and 2,864,838 is: 3,953,476.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279,286 : 7,285,414.68 = 2,864,838 : x
  2. Step 2: Convert to fraction form
    5,279,286/7,285,414.68 = 2,864,838/x
  3. Step 3: Cross multiply
    5,279,286x = 7,285,414.68 × 2,864,838
  4. Step 4: Simplify right side
    5,279,286x = 20,871,532,821,021.84
  5. Step 5: Solve for x
    x = 20,871,532,821,021.84/5,279,286
  6. Step 6: Final answer
    x = 3,953,476.44

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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.