Finding the Fourth Proportional to 3,086,629.92, 4,259,549.15 and 1,691,197.15
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Solution
The fourth proportional to 3,086,629.92, 4,259,549.15 and 1,691,197.15 is: 2,333,851.99
Step by Step Solution
- Step 1: Write the proportion equation
3,086,629.92 : 4,259,549.15 = 1,691,197.15 : x - Step 2: Convert to fraction form
3,086,629.92/4,259,549.15 = 1,691,197.15/x - Step 3: Cross multiply
3,086,629.92x = 4,259,549.15 × 1,691,197.15 - Step 4: Simplify right side
3,086,629.92x = 7,203,737,382,764.92 - Step 5: Solve for x
x = 7,203,737,382,764.92/3,086,629.92 - Step 6: Final answer
x = 2,333,851.99
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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.