Finding the Fourth Proportional to 2,324,212.11, 3,207,409.38 and 1,291,687.43
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Solution
The fourth proportional to 2,324,212.11, 3,207,409.38 and 1,291,687.43 is: 1,782,526.79
Step by Step Solution
- Step 1: Write the proportion equation
2,324,212.11 : 3,207,409.38 = 1,291,687.43 : x - Step 2: Convert to fraction form
2,324,212.11/3,207,409.38 = 1,291,687.43/x - Step 3: Cross multiply
2,324,212.11x = 3,207,409.38 × 1,291,687.43 - Step 4: Simplify right side
2,324,212.11x = 4,142,970,362,973.05 - Step 5: Solve for x
x = 4,142,970,362,973.05/2,324,212.11 - Step 6: Final answer
x = 1,782,526.79
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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.