Finding the Fourth Proportional to 2,313,474.42, 3,192,610.77 and 1,347,168.18
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Solution
The fourth proportional to 2,313,474.42, 3,192,610.77 and 1,347,168.18 is: 1,859,101.45
Step by Step Solution
- Step 1: Write the proportion equation
2,313,474.42 : 3,192,610.77 = 1,347,168.18 : x - Step 2: Convert to fraction form
2,313,474.42/3,192,610.77 = 1,347,168.18/x - Step 3: Cross multiply
2,313,474.42x = 3,192,610.77 × 1,347,168.18 - Step 4: Simplify right side
2,313,474.42x = 4,300,983,640,469.30 - Step 5: Solve for x
x = 4,300,983,640,469.30/2,313,474.42 - Step 6: Final answer
x = 1,859,101.45
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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.