Finding the Fourth Proportional to 4,102,662.88, 5,662,015.68 and 2,267,479.49
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Solution
The fourth proportional to 4,102,662.88, 5,662,015.68 and 2,267,479.49 is: 3,129,310.11
Step by Step Solution
- Step 1: Write the proportion equation
4,102,662.88 : 5,662,015.68 = 2,267,479.49 : x - Step 2: Convert to fraction form
4,102,662.88/5,662,015.68 = 2,267,479.49/x - Step 3: Cross multiply
4,102,662.88x = 5,662,015.68 × 2,267,479.49 - Step 4: Simplify right side
4,102,662.88x = 12,838,504,426,458.40 - Step 5: Solve for x
x = 12,838,504,426,458.40/4,102,662.88 - Step 6: Final answer
x = 3,129,310.11
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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.