Finding the Fourth Proportional to 3,100,514.67, 4,278,759.99 and 1,705,131.44
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Solution
The fourth proportional to 3,100,514.67, 4,278,759.99 and 1,705,131.44 is: 2,353,108.75
Step by Step Solution
- Step 1: Write the proportion equation
3,100,514.67 : 4,278,759.99 = 1,705,131.44 : x - Step 2: Convert to fraction form
3,100,514.67/4,278,759.99 = 1,705,131.44/x - Step 3: Cross multiply
3,100,514.67x = 4,278,759.99 × 1,705,131.44 - Step 4: Simplify right side
3,100,514.67x = 7,295,848,193,859.99 - Step 5: Solve for x
x = 7,295,848,193,859.99/3,100,514.67 - Step 6: Final answer
x = 2,353,108.75
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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.