Finding the Fourth Proportional to 5,920,939.68, 8,170,027.18 and 3,307,121.73
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Solution
The fourth proportional to 5,920,939.68, 8,170,027.18 and 3,307,121.73 is: 4,563,342.29
Step by Step Solution
- Step 1: Write the proportion equation
5,920,939.68 : 8,170,027.18 = 3,307,121.73 : x - Step 2: Convert to fraction form
5,920,939.68/8,170,027.18 = 3,307,121.73/x - Step 3: Cross multiply
5,920,939.68x = 8,170,027.18 × 3,307,121.73 - Step 4: Simplify right side
5,920,939.68x = 27,019,274,421,668.62 - Step 5: Solve for x
x = 27,019,274,421,668.62/5,920,939.68 - Step 6: Final answer
x = 4,563,342.29
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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.