Finding the Fourth Proportional to 1,566,939.87, 2,161,707.81 and 1,082,664.26
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Solution
The fourth proportional to 1,566,939.87, 2,161,707.81 and 1,082,664.26 is: 1,493,614.29
Step by Step Solution
- Step 1: Write the proportion equation
1,566,939.87 : 2,161,707.81 = 1,082,664.26 : x - Step 2: Convert to fraction form
1,566,939.87/2,161,707.81 = 1,082,664.26/x - Step 3: Cross multiply
1,566,939.87x = 2,161,707.81 × 1,082,664.26 - Step 4: Simplify right side
1,566,939.87x = 2,340,403,786,449.87 - Step 5: Solve for x
x = 2,340,403,786,449.87/1,566,939.87 - Step 6: Final answer
x = 1,493,614.29
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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.