Home / 5,279,286.38-7,285,415.20-2,864,838.38

Finding the Fourth Proportional to 5,279,286.38, 7,285,415.20 and 2,864,838.38

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Solution

The fourth proportional to 5,279,286.38, 7,285,415.20 and 2,864,838.38 is: 3,953,476.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279,286.38 : 7,285,415.20 = 2,864,838.38 : x
  2. Step 2: Convert to fraction form
    5,279,286.38/7,285,415.20 = 2,864,838.38/x
  3. Step 3: Cross multiply
    5,279,286.38x = 7,285,415.20 × 2,864,838.38
  4. Step 4: Simplify right side
    5,279,286.38x = 20,871,537,035,606.20
  5. Step 5: Solve for x
    x = 20,871,537,035,606.20/5,279,286.38
  6. Step 6: Final answer
    x = 3,953,476.96

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1.5x scale

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.