Finding the Fourth Proportional to 3,511,349.44, 4,845,761.76 and 1,983,520.96
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Solution
The fourth proportional to 3,511,349.44, 4,845,761.76 and 1,983,520.96 is: 2,737,315.15
Step by Step Solution
- Step 1: Write the proportion equation
3,511,349.44 : 4,845,761.76 = 1,983,520.96 : x - Step 2: Convert to fraction form
3,511,349.44/4,845,761.76 = 1,983,520.96/x - Step 3: Cross multiply
3,511,349.44x = 4,845,761.76 × 1,983,520.96 - Step 4: Simplify right side
3,511,349.44x = 9,611,670,018,126.49 - Step 5: Solve for x
x = 9,611,670,018,126.49/3,511,349.44 - Step 6: Final answer
x = 2,737,315.15
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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.