Finding the Fourth Proportional to 4,284,987.20, 5,913,084.12 and 2,351,199.68
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Solution
The fourth proportional to 4,284,987.20, 5,913,084.12 and 2,351,199.68 is: 3,244,546.80
Step by Step Solution
- Step 1: Write the proportion equation
4,284,987.20 : 5,913,084.12 = 2,351,199.68 : x - Step 2: Convert to fraction form
4,284,987.20/5,913,084.12 = 2,351,199.68/x - Step 3: Cross multiply
4,284,987.20x = 5,913,084.12 × 2,351,199.68 - Step 4: Simplify right side
4,284,987.20x = 13,902,841,490,757.08 - Step 5: Solve for x
x = 13,902,841,490,757.08/4,284,987.20 - Step 6: Final answer
x = 3,244,546.80
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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.