Finding the Fourth Proportional to 2,811,231.36, 3,879,481.50 and 1,522,067.76
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Solution
The fourth proportional to 2,811,231.36, 3,879,481.50 and 1,522,067.76 is: 2,100,443.88
Step by Step Solution
- Step 1: Write the proportion equation
2,811,231.36 : 3,879,481.50 = 1,522,067.76 : x - Step 2: Convert to fraction form
2,811,231.36/3,879,481.50 = 1,522,067.76/x - Step 3: Cross multiply
2,811,231.36x = 3,879,481.50 × 1,522,067.76 - Step 4: Simplify right side
2,811,231.36x = 5,904,833,716,666.44 - Step 5: Solve for x
x = 5,904,833,716,666.44/2,811,231.36 - Step 6: Final answer
x = 2,100,443.88
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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.