Finding the Fourth Proportional to 5,755,635.84, 7,942,569.30 and 3,177,261.26
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Solution
The fourth proportional to 5,755,635.84, 7,942,569.30 and 3,177,261.26 is: 4,384,505.63
Step by Step Solution
- Step 1: Write the proportion equation
5,755,635.84 : 7,942,569.30 = 3,177,261.26 : x - Step 2: Convert to fraction form
5,755,635.84/7,942,569.30 = 3,177,261.26/x - Step 3: Cross multiply
5,755,635.84x = 7,942,569.30 × 3,177,261.26 - Step 4: Simplify right side
5,755,635.84x = 25,235,617,741,755.32 - Step 5: Solve for x
x = 25,235,617,741,755.32/5,755,635.84 - Step 6: Final answer
x = 4,384,505.63
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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.