Finding the Fourth Proportional to 5,412,293.87, 7,468,906.08 and 2,931,452.82
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Solution
The fourth proportional to 5,412,293.87, 7,468,906.08 and 2,931,452.82 is: 4,045,372.69
Step by Step Solution
- Step 1: Write the proportion equation
5,412,293.87 : 7,468,906.08 = 2,931,452.82 : x - Step 2: Convert to fraction form
5,412,293.87/7,468,906.08 = 2,931,452.82/x - Step 3: Cross multiply
5,412,293.87x = 7,468,906.08 × 2,931,452.82 - Step 4: Simplify right side
5,412,293.87x = 21,894,745,790,531.14 - Step 5: Solve for x
x = 21,894,745,790,531.14/5,412,293.87 - Step 6: Final answer
x = 4,045,372.69
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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.