Finding the Fourth Proportional to 5,755,649.47, 7,942,747.55 and 3,177,274.88
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Solution
The fourth proportional to 5,755,649.47, 7,942,747.55 and 3,177,274.88 is: 4,384,612.44
Step by Step Solution
- Step 1: Write the proportion equation
5,755,649.47 : 7,942,747.55 = 3,177,274.88 : x - Step 2: Convert to fraction form
5,755,649.47/7,942,747.55 = 3,177,274.88/x - Step 3: Cross multiply
5,755,649.47x = 7,942,747.55 × 3,177,274.88 - Step 4: Simplify right side
5,755,649.47x = 25,236,292,268,796.54 - Step 5: Solve for x
x = 25,236,292,268,796.54/5,755,649.47 - Step 6: Final answer
x = 4,384,612.44
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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.