Finding the Fourth Proportional to 5,213,770.62, 7,193,652.57 and 3,147,152.82
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Solution
The fourth proportional to 5,213,770.62, 7,193,652.57 and 3,147,152.82 is: 4,342,255.47
Step by Step Solution
- Step 1: Write the proportion equation
5,213,770.62 : 7,193,652.57 = 3,147,152.82 : x - Step 2: Convert to fraction form
5,213,770.62/7,193,652.57 = 3,147,152.82/x - Step 3: Cross multiply
5,213,770.62x = 7,193,652.57 × 3,147,152.82 - Step 4: Simplify right side
5,213,770.62x = 22,639,523,971,775.75 - Step 5: Solve for x
x = 22,639,523,971,775.75/5,213,770.62 - Step 6: Final answer
x = 4,342,255.47
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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.