Finding the Fourth Proportional to 4,311,517.62, 6,466,172.91 and 1,278,174.15
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Solution
The fourth proportional to 4,311,517.62, 6,466,172.91 and 1,278,174.15 is: 1,916,934.08
Step by Step Solution
- Step 1: Write the proportion equation
4,311,517.62 : 6,466,172.91 = 1,278,174.15 : x - Step 2: Convert to fraction form
4,311,517.62/6,466,172.91 = 1,278,174.15/x - Step 3: Cross multiply
4,311,517.62x = 6,466,172.91 × 1,278,174.15 - Step 4: Simplify right side
4,311,517.62x = 8,264,895,062,992.28 - Step 5: Solve for x
x = 8,264,895,062,992.28/4,311,517.62 - Step 6: Final answer
x = 1,916,934.08
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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.