Finding the Fourth Proportional to 2,161,810.62, 3,241,614.23 and 721,976.09
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Solution
The fourth proportional to 2,161,810.62, 3,241,614.23 and 721,976.09 is: 1,082,596.19
Step by Step Solution
- Step 1: Write the proportion equation
2,161,810.62 : 3,241,614.23 = 721,976.09 : x - Step 2: Convert to fraction form
2,161,810.62/3,241,614.23 = 721,976.09/x - Step 3: Cross multiply
2,161,810.62x = 3,241,614.23 × 721,976.09 - Step 4: Simplify right side
2,161,810.62x = 2,340,367,949,953.22 - Step 5: Solve for x
x = 2,340,367,949,953.22/2,161,810.62 - Step 6: Final answer
x = 1,082,596.19
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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.