Finding the Fourth Proportional to 3,852,001.92, 5,315,757.84 and 2,133,120.36
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Solution
The fourth proportional to 3,852,001.92, 5,315,757.84 and 2,133,120.36 is: 2,943,703.43
Step by Step Solution
- Step 1: Write the proportion equation
3,852,001.92 : 5,315,757.84 = 2,133,120.36 : x - Step 2: Convert to fraction form
3,852,001.92/5,315,757.84 = 2,133,120.36/x - Step 3: Cross multiply
3,852,001.92x = 5,315,757.84 × 2,133,120.36 - Step 4: Simplify right side
3,852,001.92x = 11,339,151,277,333.62 - Step 5: Solve for x
x = 11,339,151,277,333.62/3,852,001.92 - Step 6: Final answer
x = 2,943,703.43
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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.