Finding the Fourth Proportional to 3,759,830.31, 5,188,572.41 and 2,040,951.99
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Solution
The fourth proportional to 3,759,830.31, 5,188,572.41 and 2,040,951.99 is: 2,816,517.32
Step by Step Solution
- Step 1: Write the proportion equation
3,759,830.31 : 5,188,572.41 = 2,040,951.99 : x - Step 2: Convert to fraction form
3,759,830.31/5,188,572.41 = 2,040,951.99/x - Step 3: Cross multiply
3,759,830.31x = 5,188,572.41 × 2,040,951.99 - Step 4: Simplify right side
3,759,830.31x = 10,589,627,175,243.84 - Step 5: Solve for x
x = 10,589,627,175,243.84/3,759,830.31 - Step 6: Final answer
x = 2,816,517.32
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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.