Finding the Fourth Proportional to 3,284,704.20, 4,532,876.84 and 1,814,613.17
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Solution
The fourth proportional to 3,284,704.20, 4,532,876.84 and 1,814,613.17 is: 2,504,157.90
Step by Step Solution
- Step 1: Write the proportion equation
3,284,704.20 : 4,532,876.84 = 1,814,613.17 : x - Step 2: Convert to fraction form
3,284,704.20/4,532,876.84 = 1,814,613.17/x - Step 3: Cross multiply
3,284,704.20x = 4,532,876.84 × 1,814,613.17 - Step 4: Simplify right side
3,284,704.20x = 8,225,417,980,114.53 - Step 5: Solve for x
x = 8,225,417,980,114.53/3,284,704.20 - Step 6: Final answer
x = 2,504,157.90
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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.