Home / 3,121,336.30-4,682,316.30-846,896.80

Finding the Fourth Proportional to 3,121,336.30, 4,682,316.30 and 846,896.80

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Solution

The fourth proportional to 3,121,336.30, 4,682,316.30 and 846,896.80 is: 1,270,429.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,336.30 : 4,682,316.30 = 846,896.80 : x
  2. Step 2: Convert to fraction form
    3,121,336.30/4,682,316.30 = 846,896.80/x
  3. Step 3: Cross multiply
    3,121,336.30x = 4,682,316.30 × 846,896.80
  4. Step 4: Simplify right side
    3,121,336.30x = 3,965,438,691,057.84
  5. Step 5: Solve for x
    x = 3,965,438,691,057.84/3,121,336.30
  6. Step 6: Final answer
    x = 1,270,429.81

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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.