Finding the Fourth Proportional to 3,512,182.70, 4,847,591.84 and 2,135,233.82
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Solution
The fourth proportional to 3,512,182.70, 4,847,591.84 and 2,135,233.82 is: 2,947,096.70
Step by Step Solution
- Step 1: Write the proportion equation
3,512,182.70 : 4,847,591.84 = 2,135,233.82 : x - Step 2: Convert to fraction form
3,512,182.70/4,847,591.84 = 2,135,233.82/x - Step 3: Cross multiply
3,512,182.70x = 4,847,591.84 × 2,135,233.82 - Step 4: Simplify right side
3,512,182.70x = 10,350,742,042,324.03 - Step 5: Solve for x
x = 10,350,742,042,324.03/3,512,182.70 - Step 6: Final answer
x = 2,947,096.70
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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.