Finding the Fourth Proportional to 5,783,446.58, 7,981,020.45 and 3,205,071.99
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Solution
The fourth proportional to 5,783,446.58, 7,981,020.45 and 3,205,071.99 is: 4,422,924.08
Step by Step Solution
- Step 1: Write the proportion equation
5,783,446.58 : 7,981,020.45 = 3,205,071.99 : x - Step 2: Convert to fraction form
5,783,446.58/7,981,020.45 = 3,205,071.99/x - Step 3: Cross multiply
5,783,446.58x = 7,981,020.45 × 3,205,071.99 - Step 4: Simplify right side
5,783,446.58x = 25,579,745,095,912.20 - Step 5: Solve for x
x = 25,579,745,095,912.20/5,783,446.58 - Step 6: Final answer
x = 4,422,924.08
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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.