Finding the Fourth Proportional to 5,304,721.92, 7,321,138.50 and 2,981,617.62
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Solution
The fourth proportional to 5,304,721.92, 7,321,138.50 and 2,981,617.62 is: 4,114,982.06
Step by Step Solution
- Step 1: Write the proportion equation
5,304,721.92 : 7,321,138.50 = 2,981,617.62 : x - Step 2: Convert to fraction form
5,304,721.92/7,321,138.50 = 2,981,617.62/x - Step 3: Cross multiply
5,304,721.92x = 7,321,138.50 × 2,981,617.62 - Step 4: Simplify right side
5,304,721.92x = 21,828,835,550,060.37 - Step 5: Solve for x
x = 21,828,835,550,060.37/5,304,721.92 - Step 6: Final answer
x = 4,114,982.06
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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.