Finding the Fourth Proportional to 3,277,791.36, 4,523,649.12 and 1,988,958.24
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Solution
The fourth proportional to 3,277,791.36, 4,523,649.12 and 1,988,958.24 is: 2,744,942.62
Step by Step Solution
- Step 1: Write the proportion equation
3,277,791.36 : 4,523,649.12 = 1,988,958.24 : x - Step 2: Convert to fraction form
3,277,791.36/4,523,649.12 = 1,988,958.24/x - Step 3: Cross multiply
3,277,791.36x = 4,523,649.12 × 1,988,958.24 - Step 4: Simplify right side
3,277,791.36x = 8,997,349,192,092.75 - Step 5: Solve for x
x = 8,997,349,192,092.75/3,277,791.36 - Step 6: Final answer
x = 2,744,942.62
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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.