Finding the Fourth Proportional to 5,755,646.62, 7,942,584.09 and 3,177,272.08
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Solution
The fourth proportional to 5,755,646.62, 7,942,584.09 and 3,177,272.08 is: 4,384,520.51
Step by Step Solution
- Step 1: Write the proportion equation
5,755,646.62 : 7,942,584.09 = 3,177,272.08 : x - Step 2: Convert to fraction form
5,755,646.62/7,942,584.09 = 3,177,272.08/x - Step 3: Cross multiply
5,755,646.62x = 7,942,584.09 × 3,177,272.08 - Step 4: Simplify right side
5,755,646.62x = 25,235,750,672,209.21 - Step 5: Solve for x
x = 25,235,750,672,209.21/5,755,646.62 - Step 6: Final answer
x = 4,384,520.51
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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.