Finding the Fourth Proportional to 4,080,924.60, 6,121,617.30 and 1,241,129.40
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Solution
The fourth proportional to 4,080,924.60, 6,121,617.30 and 1,241,129.40 is: 1,861,764.17
Step by Step Solution
- Step 1: Write the proportion equation
4,080,924.60 : 6,121,617.30 = 1,241,129.40 : x - Step 2: Convert to fraction form
4,080,924.60/6,121,617.30 = 1,241,129.40/x - Step 3: Cross multiply
4,080,924.60x = 6,121,617.30 × 1,241,129.40 - Step 4: Simplify right side
4,080,924.60x = 7,597,719,206,578.62 - Step 5: Solve for x
x = 7,597,719,206,578.62/4,080,924.60 - Step 6: Final answer
x = 1,861,764.17
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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.