Finding the Fourth Proportional to 3,512,180.69, 4,847,589.07 and 2,135,231.82
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Solution
The fourth proportional to 3,512,180.69, 4,847,589.07 and 2,135,231.82 is: 2,947,093.94
Step by Step Solution
- Step 1: Write the proportion equation
3,512,180.69 : 4,847,589.07 = 2,135,231.82 : x - Step 2: Convert to fraction form
3,512,180.69/4,847,589.07 = 2,135,231.82/x - Step 3: Cross multiply
3,512,180.69x = 4,847,589.07 × 2,135,231.82 - Step 4: Simplify right side
3,512,180.69x = 10,350,726,432,548.21 - Step 5: Solve for x
x = 10,350,726,432,548.21/3,512,180.69 - Step 6: Final answer
x = 2,947,093.94
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1.5x scale
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.