Finding the Fourth Proportional to 2,757,436.75, 3,805,208.04 and 1,533,716.02
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Solution
The fourth proportional to 2,757,436.75, 3,805,208.04 and 1,533,716.02 is: 2,116,497.70
Step by Step Solution
- Step 1: Write the proportion equation
2,757,436.75 : 3,805,208.04 = 1,533,716.02 : x - Step 2: Convert to fraction form
2,757,436.75/3,805,208.04 = 1,533,716.02/x - Step 3: Cross multiply
2,757,436.75x = 3,805,208.04 × 1,533,716.02 - Step 4: Simplify right side
2,757,436.75x = 5,836,108,530,380.80 - Step 5: Solve for x
x = 5,836,108,530,380.80/2,757,436.75 - Step 6: Final answer
x = 2,116,497.70
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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.