Finding the Fourth Proportional to 4,157,910.75, 5,737,916.84 and 2,250,198.75
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Solution
The fourth proportional to 4,157,910.75, 5,737,916.84 and 2,250,198.75 is: 3,105,274.28
Step by Step Solution
- Step 1: Write the proportion equation
4,157,910.75 : 5,737,916.84 = 2,250,198.75 : x - Step 2: Convert to fraction form
4,157,910.75/5,737,916.84 = 2,250,198.75/x - Step 3: Cross multiply
4,157,910.75x = 5,737,916.84 × 2,250,198.75 - Step 4: Simplify right side
4,157,910.75x = 12,911,453,289,720.96 - Step 5: Solve for x
x = 12,911,453,289,720.96/4,157,910.75 - Step 6: Final answer
x = 3,105,274.28
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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.