Finding the Fourth Proportional to 3,821,845.41, 5,273,988.54 and 2,079,521.97
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Solution
The fourth proportional to 3,821,845.41, 5,273,988.54 and 2,079,521.97 is: 2,869,654.28
Step by Step Solution
- Step 1: Write the proportion equation
3,821,845.41 : 5,273,988.54 = 2,079,521.97 : x - Step 2: Convert to fraction form
3,821,845.41/5,273,988.54 = 2,079,521.97/x - Step 3: Cross multiply
3,821,845.41x = 5,273,988.54 × 2,079,521.97 - Step 4: Simplify right side
3,821,845.41x = 10,967,375,065,511.52 - Step 5: Solve for x
x = 10,967,375,065,511.52/3,821,845.41 - Step 6: Final answer
x = 2,869,654.28
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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.