Finding the Fourth Proportional to 3,246,415.80, 4,869,623.70 and 3,163,471.80
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Solution
The fourth proportional to 3,246,415.80, 4,869,623.70 and 3,163,471.80 is: 4,745,207.70
Step by Step Solution
- Step 1: Write the proportion equation
3,246,415.80 : 4,869,623.70 = 3,163,471.80 : x - Step 2: Convert to fraction form
3,246,415.80/4,869,623.70 = 3,163,471.80/x - Step 3: Cross multiply
3,246,415.80x = 4,869,623.70 × 3,163,471.80 - Step 4: Simplify right side
3,246,415.80x = 15,404,917,251,561.66 - Step 5: Solve for x
x = 15,404,917,251,561.66/3,246,415.80 - Step 6: Final answer
x = 4,745,207.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.