Finding the Fourth Proportional to 3,081,306.82, 4,618,956.50 and 1,284,704.09
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Solution
The fourth proportional to 3,081,306.82, 4,618,956.50 and 1,284,704.09 is: 1,925,803.77
Step by Step Solution
- Step 1: Write the proportion equation
3,081,306.82 : 4,618,956.50 = 1,284,704.09 : x - Step 2: Convert to fraction form
3,081,306.82/4,618,956.50 = 1,284,704.09/x - Step 3: Cross multiply
3,081,306.82x = 4,618,956.50 × 1,284,704.09 - Step 4: Simplify right side
3,081,306.82x = 5,933,992,293,938.15 - Step 5: Solve for x
x = 5,933,992,293,938.15/3,081,306.82 - Step 6: Final answer
x = 1,925,803.77
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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.