Finding the Fourth Proportional to 5,936,841.75, 8,192,857.41 and 3,220,587.75
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Solution
The fourth proportional to 5,936,841.75, 8,192,857.41 and 3,220,587.75 is: 4,444,419.66
Step by Step Solution
- Step 1: Write the proportion equation
5,936,841.75 : 8,192,857.41 = 3,220,587.75 : x - Step 2: Convert to fraction form
5,936,841.75/8,192,857.41 = 3,220,587.75/x - Step 3: Cross multiply
5,936,841.75x = 8,192,857.41 × 3,220,587.75 - Step 4: Simplify right side
5,936,841.75x = 26,385,816,212,142.73 - Step 5: Solve for x
x = 26,385,816,212,142.73/5,936,841.75 - Step 6: Final answer
x = 4,444,419.66
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1.5x scale
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.