Finding the Fourth Proportional to 4,247,049.06, 5,862,208.41 and 2,889,709.38
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Solution
The fourth proportional to 4,247,049.06, 5,862,208.41 and 2,889,709.38 is: 3,988,670.34
Step by Step Solution
- Step 1: Write the proportion equation
4,247,049.06 : 5,862,208.41 = 2,889,709.38 : x - Step 2: Convert to fraction form
4,247,049.06/5,862,208.41 = 2,889,709.38/x - Step 3: Cross multiply
4,247,049.06x = 5,862,208.41 × 2,889,709.38 - Step 4: Simplify right side
4,247,049.06x = 16,940,078,629,891.88 - Step 5: Solve for x
x = 16,940,078,629,891.88/4,247,049.06 - Step 6: Final answer
x = 3,988,670.34
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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.