Finding the Fourth Proportional to 3,863,348.19, 5,331,441.15 and 2,413,884.24
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Solution
The fourth proportional to 3,863,348.19, 5,331,441.15 and 2,413,884.24 is: 3,331,173.15
Step by Step Solution
- Step 1: Write the proportion equation
3,863,348.19 : 5,331,441.15 = 2,413,884.24 : x - Step 2: Convert to fraction form
3,863,348.19/5,331,441.15 = 2,413,884.24/x - Step 3: Cross multiply
3,863,348.19x = 5,331,441.15 × 2,413,884.24 - Step 4: Simplify right side
3,863,348.19x = 12,869,481,768,472.48 - Step 5: Solve for x
x = 12,869,481,768,472.48/3,863,348.19 - Step 6: Final answer
x = 3,331,173.15
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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.