Finding the Fourth Proportional to 3,382,825.82, 4,663,783.65 and 2,687,413.99
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Solution
The fourth proportional to 3,382,825.82, 4,663,783.65 and 2,687,413.99 is: 3,705,043.68
Step by Step Solution
- Step 1: Write the proportion equation
3,382,825.82 : 4,663,783.65 = 2,687,413.99 : x - Step 2: Convert to fraction form
3,382,825.82/4,663,783.65 = 2,687,413.99/x - Step 3: Cross multiply
3,382,825.82x = 4,663,783.65 × 2,687,413.99 - Step 4: Simplify right side
3,382,825.82x = 12,533,517,427,343.27 - Step 5: Solve for x
x = 12,533,517,427,343.27/3,382,825.82 - Step 6: Final answer
x = 3,705,043.68
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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.