Finding the Fourth Proportional to 4,858,917.70, 6,705,306.42 and 2,821,858.42
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Solution
The fourth proportional to 4,858,917.70, 6,705,306.42 and 2,821,858.42 is: 3,894,164.62
Step by Step Solution
- Step 1: Write the proportion equation
4,858,917.70 : 6,705,306.42 = 2,821,858.42 : x - Step 2: Convert to fraction form
4,858,917.70/6,705,306.42 = 2,821,858.42/x - Step 3: Cross multiply
4,858,917.70x = 6,705,306.42 × 2,821,858.42 - Step 4: Simplify right side
4,858,917.70x = 18,921,425,379,957.05 - Step 5: Solve for x
x = 18,921,425,379,957.05/4,858,917.70 - Step 6: Final answer
x = 3,894,164.62
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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.