Finding the Fourth Proportional to 3,649,517.68, 5,033,961.66 and 2,340,696.58
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Solution
The fourth proportional to 3,649,517.68, 5,033,961.66 and 2,340,696.58 is: 3,228,639.47
Step by Step Solution
- Step 1: Write the proportion equation
3,649,517.68 : 5,033,961.66 = 2,340,696.58 : x - Step 2: Convert to fraction form
3,649,517.68/5,033,961.66 = 2,340,696.58/x - Step 3: Cross multiply
3,649,517.68x = 5,033,961.66 × 2,340,696.58 - Step 4: Simplify right side
3,649,517.68x = 11,782,976,841,413.12 - Step 5: Solve for x
x = 11,782,976,841,413.12/3,649,517.68 - Step 6: Final answer
x = 3,228,639.47
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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.