Finding the Fourth Proportional to 4,256,538.98, 6,384,629.84 and 1,981,280.96
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Solution
The fourth proportional to 4,256,538.98, 6,384,629.84 and 1,981,280.96 is: 2,971,838.29
Step by Step Solution
- Step 1: Write the proportion equation
4,256,538.98 : 6,384,629.84 = 1,981,280.96 : x - Step 2: Convert to fraction form
4,256,538.98/6,384,629.84 = 1,981,280.96/x - Step 3: Cross multiply
4,256,538.98x = 6,384,629.84 × 1,981,280.96 - Step 4: Simplify right side
4,256,538.98x = 12,649,745,538,639.85 - Step 5: Solve for x
x = 12,649,745,538,639.85/4,256,538.98 - Step 6: Final answer
x = 2,971,838.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.