Finding the Fourth Proportional to 5,755,649.44, 7,942,747.51 and 3,177,274.85
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Solution
The fourth proportional to 5,755,649.44, 7,942,747.51 and 3,177,274.85 is: 4,384,612.40
Step by Step Solution
- Step 1: Write the proportion equation
5,755,649.44 : 7,942,747.51 = 3,177,274.85 : x - Step 2: Convert to fraction form
5,755,649.44/7,942,747.51 = 3,177,274.85/x - Step 3: Cross multiply
5,755,649.44x = 7,942,747.51 × 3,177,274.85 - Step 4: Simplify right side
5,755,649.44x = 25,236,291,924,272.07 - Step 5: Solve for x
x = 25,236,291,924,272.07/5,755,649.44 - Step 6: Final answer
x = 4,384,612.40
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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.