Finding the Fourth Proportional to 2,751,891.64, 4,127,691.66 and 858,416.20
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Solution
The fourth proportional to 2,751,891.64, 4,127,691.66 and 858,416.20 is: 1,287,578.82
Step by Step Solution
- Step 1: Write the proportion equation
2,751,891.64 : 4,127,691.66 = 858,416.20 : x - Step 2: Convert to fraction form
2,751,891.64/4,127,691.66 = 858,416.20/x - Step 3: Cross multiply
2,751,891.64x = 4,127,691.66 × 858,416.20 - Step 4: Simplify right side
2,751,891.64x = 3,543,277,389,548.89 - Step 5: Solve for x
x = 3,543,277,389,548.89/2,751,891.64 - Step 6: Final answer
x = 1,287,578.82
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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.