Finding the Fourth Proportional to 5,685,872.70, 7,846,504.62 and 3,107,553.48
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Solution
The fourth proportional to 5,685,872.70, 7,846,504.62 and 3,107,553.48 is: 4,288,423.96
Step by Step Solution
- Step 1: Write the proportion equation
5,685,872.70 : 7,846,504.62 = 3,107,553.48 : x - Step 2: Convert to fraction form
5,685,872.70/7,846,504.62 = 3,107,553.48/x - Step 3: Cross multiply
5,685,872.70x = 7,846,504.62 × 3,107,553.48 - Step 4: Simplify right side
5,685,872.70x = 24,383,432,737,717.08 - Step 5: Solve for x
x = 24,383,432,737,717.08/5,685,872.70 - Step 6: Final answer
x = 4,288,423.96
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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.