Finding the Fourth Proportional to 3,532,957.70, 5,299,436.55 and 3,296,761.70
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Solution
The fourth proportional to 3,532,957.70, 5,299,436.55 and 3,296,761.70 is: 4,945,142.55
Step by Step Solution
- Step 1: Write the proportion equation
3,532,957.70 : 5,299,436.55 = 3,296,761.70 : x - Step 2: Convert to fraction form
3,532,957.70/5,299,436.55 = 3,296,761.70/x - Step 3: Cross multiply
3,532,957.70x = 5,299,436.55 × 3,296,761.70 - Step 4: Simplify right side
3,532,957.70x = 17,470,979,449,620.13 - Step 5: Solve for x
x = 17,470,979,449,620.13/3,532,957.70 - Step 6: Final answer
x = 4,945,142.55
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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.