Finding the Fourth Proportional to 3,883,531.81, 5,359,671.49 and 2,335,296.19
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Solution
The fourth proportional to 3,883,531.81, 5,359,671.49 and 2,335,296.19 is: 3,222,947.82
Step by Step Solution
- Step 1: Write the proportion equation
3,883,531.81 : 5,359,671.49 = 2,335,296.19 : x - Step 2: Convert to fraction form
3,883,531.81/5,359,671.49 = 2,335,296.19/x - Step 3: Cross multiply
3,883,531.81x = 5,359,671.49 × 2,335,296.19 - Step 4: Simplify right side
3,883,531.81x = 12,516,420,383,450.27 - Step 5: Solve for x
x = 12,516,420,383,450.27/3,883,531.81 - Step 6: Final answer
x = 3,222,947.82
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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.