Finding the Fourth Proportional to 4,110,659.92, 5,672,668.53 and 2,275,121.75
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Solution
The fourth proportional to 4,110,659.92, 5,672,668.53 and 2,275,121.75 is: 3,139,644.69
Step by Step Solution
- Step 1: Write the proportion equation
4,110,659.92 : 5,672,668.53 = 2,275,121.75 : x - Step 2: Convert to fraction form
4,110,659.92/5,672,668.53 = 2,275,121.75/x - Step 3: Cross multiply
4,110,659.92x = 5,672,668.53 × 2,275,121.75 - Step 4: Simplify right side
4,110,659.92x = 12,906,011,567,325.20 - Step 5: Solve for x
x = 12,906,011,567,325.20/4,110,659.92 - Step 6: Final answer
x = 3,139,644.69
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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.