Finding the Fourth Proportional to 2,192,135.40, 3,286,647.90 and 994,631.40
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Solution
The fourth proportional to 2,192,135.40, 3,286,647.90 and 994,631.40 is: 1,491,241.46
Step by Step Solution
- Step 1: Write the proportion equation
2,192,135.40 : 3,286,647.90 = 994,631.40 : x - Step 2: Convert to fraction form
2,192,135.40/3,286,647.90 = 994,631.40/x - Step 3: Cross multiply
2,192,135.40x = 3,286,647.90 × 994,631.40 - Step 4: Simplify right side
2,192,135.40x = 3,269,003,202,084.06 - Step 5: Solve for x
x = 3,269,003,202,084.06/2,192,135.40 - Step 6: Final answer
x = 1,491,241.46
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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.