Home / 3,189,437.80-4,785,078.30-945,629.80

Finding the Fourth Proportional to 3,189,437.80, 4,785,078.30 and 945,629.80

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Solution

The fourth proportional to 3,189,437.80, 4,785,078.30 and 945,629.80 is: 1,418,717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,437.80 : 4,785,078.30 = 945,629.80 : x
  2. Step 2: Convert to fraction form
    3,189,437.80/4,785,078.30 = 945,629.80/x
  3. Step 3: Cross multiply
    3,189,437.80x = 4,785,078.30 × 945,629.80
  4. Step 4: Simplify right side
    3,189,437.80x = 4,524,912,635,813.34
  5. Step 5: Solve for x
    x = 4,524,912,635,813.34/3,189,437.80
  6. Step 6: Final answer
    x = 1,418,717.94

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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.