Finding the Fourth Proportional to 5,436,446.70, 8,160,966.45 and 2,917,022.70
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Solution
The fourth proportional to 5,436,446.70, 8,160,966.45 and 2,917,022.70 is: 4,378,912.50
Step by Step Solution
- Step 1: Write the proportion equation
5,436,446.70 : 8,160,966.45 = 2,917,022.70 : x - Step 2: Convert to fraction form
5,436,446.70/8,160,966.45 = 2,917,022.70/x - Step 3: Cross multiply
5,436,446.70x = 8,160,966.45 × 2,917,022.70 - Step 4: Simplify right side
5,436,446.70x = 23,805,724,388,588.42 - Step 5: Solve for x
x = 23,805,724,388,588.42/5,436,446.70 - Step 6: Final answer
x = 4,378,912.50
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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.