Finding the Fourth Proportional to 5,192,115.40, 7,788,173.10 and 3,757,224.70
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Solution
The fourth proportional to 5,192,115.40, 7,788,173.10 and 3,757,224.70 is: 5,635,837.05
Step by Step Solution
- Step 1: Write the proportion equation
5,192,115.40 : 7,788,173.10 = 3,757,224.70 : x - Step 2: Convert to fraction form
5,192,115.40/7,788,173.10 = 3,757,224.70/x - Step 3: Cross multiply
5,192,115.40x = 7,788,173.10 × 3,757,224.70 - Step 4: Simplify right side
5,192,115.40x = 29,261,916,339,195.57 - Step 5: Solve for x
x = 29,261,916,339,195.57/5,192,115.40 - Step 6: Final answer
x = 5,635,837.05
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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.