Home / 3,468,138.80-5,202,208.20-2,628,330.80

Finding the Fourth Proportional to 3,468,138.80, 5,202,208.20 and 2,628,330.80

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Solution

The fourth proportional to 3,468,138.80, 5,202,208.20 and 2,628,330.80 is: 3,942,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468,138.80 : 5,202,208.20 = 2,628,330.80 : x
  2. Step 2: Convert to fraction form
    3,468,138.80/5,202,208.20 = 2,628,330.80/x
  3. Step 3: Cross multiply
    3,468,138.80x = 5,202,208.20 × 2,628,330.80
  4. Step 4: Simplify right side
    3,468,138.80x = 13,673,124,040,072.56
  5. Step 5: Solve for x
    x = 13,673,124,040,072.56/3,468,138.80
  6. Step 6: Final answer
    x = 3,942,496.20

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Double scale
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Similar ratio
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1.5x scale

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.