Finding the Fourth Proportional to 2,268,450.68, 3,397,073.58 and 1,690,688.72
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Solution
The fourth proportional to 2,268,450.68, 3,397,073.58 and 1,690,688.72 is: 2,531,857.55
Step by Step Solution
- Step 1: Write the proportion equation
2,268,450.68 : 3,397,073.58 = 1,690,688.72 : x - Step 2: Convert to fraction form
2,268,450.68/3,397,073.58 = 1,690,688.72/x - Step 3: Cross multiply
2,268,450.68x = 3,397,073.58 × 1,690,688.72 - Step 4: Simplify right side
2,268,450.68x = 5,743,393,982,716.02 - Step 5: Solve for x
x = 5,743,393,982,716.02/2,268,450.68 - Step 6: Final answer
x = 2,531,857.55
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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.