Finding the Fourth Proportional to 5,093,042.16, 7,640,322.77 and 1,681,689.09
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Solution
The fourth proportional to 5,093,042.16, 7,640,322.77 and 1,681,689.09 is: 2,522,784.43
Step by Step Solution
- Step 1: Write the proportion equation
5,093,042.16 : 7,640,322.77 = 1,681,689.09 : x - Step 2: Convert to fraction form
5,093,042.16/7,640,322.77 = 1,681,689.09/x - Step 3: Cross multiply
5,093,042.16x = 7,640,322.77 × 1,681,689.09 - Step 4: Simplify right side
5,093,042.16x = 12,848,647,479,243.01 - Step 5: Solve for x
x = 12,848,647,479,243.01/5,093,042.16 - Step 6: Final answer
x = 2,522,784.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.