Home / 3,189,436.80-4,785,076.80-945,628.80

Finding the Fourth Proportional to 3,189,436.80, 4,785,076.80 and 945,628.80

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Solution

The fourth proportional to 3,189,436.80, 4,785,076.80 and 945,628.80 is: 1,418,716.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,436.80 : 4,785,076.80 = 945,628.80 : x
  2. Step 2: Convert to fraction form
    3,189,436.80/4,785,076.80 = 945,628.80/x
  3. Step 3: Cross multiply
    3,189,436.80x = 4,785,076.80 × 945,628.80
  4. Step 4: Simplify right side
    3,189,436.80x = 4,524,906,432,291.84
  5. Step 5: Solve for x
    x = 4,524,906,432,291.84/3,189,436.80
  6. Step 6: Final answer
    x = 1,418,716.44

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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.