Finding the Fourth Proportional to 3,323,517.60, 4,586,430.96 and 1,965,361.44
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Solution
The fourth proportional to 3,323,517.60, 4,586,430.96 and 1,965,361.44 is: 2,712,184.99
Step by Step Solution
- Step 1: Write the proportion equation
3,323,517.60 : 4,586,430.96 = 1,965,361.44 : x - Step 2: Convert to fraction form
3,323,517.60/4,586,430.96 = 1,965,361.44/x - Step 3: Cross multiply
3,323,517.60x = 4,586,430.96 × 1,965,361.44 - Step 4: Simplify right side
3,323,517.60x = 9,013,994,556,006.18 - Step 5: Solve for x
x = 9,013,994,556,006.18/3,323,517.60 - Step 6: Final answer
x = 2,712,184.99
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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.