Finding the Fourth Proportional to 3,728,551.87, 5,144,630.05 and 2,179,514.13
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Solution
The fourth proportional to 3,728,551.87, 5,144,630.05 and 2,179,514.13 is: 3,007,278.50
Step by Step Solution
- Step 1: Write the proportion equation
3,728,551.87 : 5,144,630.05 = 2,179,514.13 : x - Step 2: Convert to fraction form
3,728,551.87/5,144,630.05 = 2,179,514.13/x - Step 3: Cross multiply
3,728,551.87x = 5,144,630.05 × 2,179,514.13 - Step 4: Simplify right side
3,728,551.87x = 11,212,793,887,597.61 - Step 5: Solve for x
x = 11,212,793,887,597.61/3,728,551.87 - Step 6: Final answer
x = 3,007,278.50
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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.