Finding the Fourth Proportional to 5,897,218.26, 8,140,672.11 and 3,964,600.09
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Solution
The fourth proportional to 5,897,218.26, 8,140,672.11 and 3,964,600.09 is: 5,472,836.17
Step by Step Solution
- Step 1: Write the proportion equation
5,897,218.26 : 8,140,672.11 = 3,964,600.09 : x - Step 2: Convert to fraction form
5,897,218.26/8,140,672.11 = 3,964,600.09/x - Step 3: Cross multiply
5,897,218.26x = 8,140,672.11 × 3,964,600.09 - Step 4: Simplify right side
5,897,218.26x = 32,274,509,379,966.49 - Step 5: Solve for x
x = 32,274,509,379,966.49/5,897,218.26 - Step 6: Final answer
x = 5,472,836.17
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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.