Finding the Fourth Proportional to 5,257,704.52, 7,886,843.82 and 1,663,204.18
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Solution
The fourth proportional to 5,257,704.52, 7,886,843.82 and 1,663,204.18 is: 2,494,897.07
Step by Step Solution
- Step 1: Write the proportion equation
5,257,704.52 : 7,886,843.82 = 1,663,204.18 : x - Step 2: Convert to fraction form
5,257,704.52/7,886,843.82 = 1,663,204.18/x - Step 3: Cross multiply
5,257,704.52x = 7,886,843.82 × 1,663,204.18 - Step 4: Simplify right side
5,257,704.52x = 13,117,431,608,431.17 - Step 5: Solve for x
x = 13,117,431,608,431.17/5,257,704.52 - Step 6: Final answer
x = 2,494,897.07
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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.