Finding the Fourth Proportional to 4,251,843.30, 5,867,578.13 and 2,318,117.97
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Solution
The fourth proportional to 4,251,843.30, 5,867,578.13 and 2,318,117.97 is: 3,199,021.54
Step by Step Solution
- Step 1: Write the proportion equation
4,251,843.30 : 5,867,578.13 = 2,318,117.97 : x - Step 2: Convert to fraction form
4,251,843.30/5,867,578.13 = 2,318,117.97/x - Step 3: Cross multiply
4,251,843.30x = 5,867,578.13 × 2,318,117.97 - Step 4: Simplify right side
4,251,843.30x = 13,601,738,291,941.41 - Step 5: Solve for x
x = 13,601,738,291,941.41/4,251,843.30 - Step 6: Final answer
x = 3,199,021.54
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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.