Finding the Fourth Proportional to 5,244,942.05, 7,868,253.82 and 2,212,754.55
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Solution
The fourth proportional to 5,244,942.05, 7,868,253.82 and 2,212,754.55 is: 3,319,486.52
Step by Step Solution
- Step 1: Write the proportion equation
5,244,942.05 : 7,868,253.82 = 2,212,754.55 : x - Step 2: Convert to fraction form
5,244,942.05/7,868,253.82 = 2,212,754.55/x - Step 3: Cross multiply
5,244,942.05x = 7,868,253.82 × 2,212,754.55 - Step 4: Simplify right side
5,244,942.05x = 17,410,514,440,759.88 - Step 5: Solve for x
x = 17,410,514,440,759.88/5,244,942.05 - Step 6: Final answer
x = 3,319,486.52
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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.