Finding the Fourth Proportional to 3,422,859.11, 4,723,546.68 and 1,874,218.92
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Solution
The fourth proportional to 3,422,859.11, 4,723,546.68 and 1,874,218.92 is: 2,586,422.72
Step by Step Solution
- Step 1: Write the proportion equation
3,422,859.11 : 4,723,546.68 = 1,874,218.92 : x - Step 2: Convert to fraction form
3,422,859.11/4,723,546.68 = 1,874,218.92/x - Step 3: Cross multiply
3,422,859.11x = 4,723,546.68 × 1,874,218.92 - Step 4: Simplify right side
3,422,859.11x = 8,852,960,557,159.19 - Step 5: Solve for x
x = 8,852,960,557,159.19/3,422,859.11 - Step 6: Final answer
x = 2,586,422.72
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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.