Finding the Fourth Proportional to 3,850,459.29, 5,311,965.42 and 2,321,717.13
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Solution
The fourth proportional to 3,850,459.29, 5,311,965.42 and 2,321,717.13 is: 3,202,963.64
Step by Step Solution
- Step 1: Write the proportion equation
3,850,459.29 : 5,311,965.42 = 2,321,717.13 : x - Step 2: Convert to fraction form
3,850,459.29/5,311,965.42 = 2,321,717.13/x - Step 3: Cross multiply
3,850,459.29x = 5,311,965.42 × 2,321,717.13 - Step 4: Simplify right side
3,850,459.29x = 12,332,881,109,581.64 - Step 5: Solve for x
x = 12,332,881,109,581.64/3,850,459.29 - Step 6: Final answer
x = 3,202,963.64
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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.