Finding the Fourth Proportional to 3,086,385.12, 4,260,329.46 and 2,512,428.84
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Solution
The fourth proportional to 3,086,385.12, 4,260,329.46 and 2,512,428.84 is: 3,468,061.89
Step by Step Solution
- Step 1: Write the proportion equation
3,086,385.12 : 4,260,329.46 = 2,512,428.84 : x - Step 2: Convert to fraction form
3,086,385.12/4,260,329.46 = 2,512,428.84/x - Step 3: Cross multiply
3,086,385.12x = 4,260,329.46 × 2,512,428.84 - Step 4: Simplify right side
3,086,385.12x = 10,703,774,603,205.62 - Step 5: Solve for x
x = 10,703,774,603,205.62/3,086,385.12 - Step 6: Final answer
x = 3,468,061.89
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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.