Home / 3,066,546.30-4,231,861.74-1,689,939.36

Finding the Fourth Proportional to 3,066,546.30, 4,231,861.74 and 1,689,939.36

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Solution

The fourth proportional to 3,066,546.30, 4,231,861.74 and 1,689,939.36 is: 2,332,131.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066,546.30 : 4,231,861.74 = 1,689,939.36 : x
  2. Step 2: Convert to fraction form
    3,066,546.30/4,231,861.74 = 1,689,939.36/x
  3. Step 3: Cross multiply
    3,066,546.30x = 4,231,861.74 × 1,689,939.36
  4. Step 4: Simplify right side
    3,066,546.30x = 7,151,589,720,504.09
  5. Step 5: Solve for x
    x = 7,151,589,720,504.09/3,066,546.30
  6. Step 6: Final answer
    x = 2,332,131.66

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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.