Finding the Fourth Proportional to 3,211,770.96, 4,816,131.04 and 1,864,346.96
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Solution
The fourth proportional to 3,211,770.96, 4,816,131.04 and 1,864,346.96 is: 2,795,634.99
Step by Step Solution
- Step 1: Write the proportion equation
3,211,770.96 : 4,816,131.04 = 1,864,346.96 : x - Step 2: Convert to fraction form
3,211,770.96/4,816,131.04 = 1,864,346.96/x - Step 3: Cross multiply
3,211,770.96x = 4,816,131.04 × 1,864,346.96 - Step 4: Simplify right side
3,211,770.96x = 8,978,939,263,385.64 - Step 5: Solve for x
x = 8,978,939,263,385.64/3,211,770.96 - Step 6: Final answer
x = 2,795,634.99
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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.