Finding the Fourth Proportional to 2,313,478.92, 3,192,616.98 and 1,347,172.68
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Solution
The fourth proportional to 2,313,478.92, 3,192,616.98 and 1,347,172.68 is: 1,859,107.66
Step by Step Solution
- Step 1: Write the proportion equation
2,313,478.92 : 3,192,616.98 = 1,347,172.68 : x - Step 2: Convert to fraction form
2,313,478.92/3,192,616.98 = 1,347,172.68/x - Step 3: Cross multiply
2,313,478.92x = 3,192,616.98 × 1,347,172.68 - Step 4: Simplify right side
2,313,478.92x = 4,301,006,373,160.11 - Step 5: Solve for x
x = 4,301,006,373,160.11/2,313,478.92 - Step 6: Final answer
x = 1,859,107.66
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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.