Finding the Fourth Proportional to 4,797,424.26, 7,197,382.71 and 1,431,631.26
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Solution
The fourth proportional to 4,797,424.26, 7,197,382.71 and 1,431,631.26 is: 2,147,818.81
Step by Step Solution
- Step 1: Write the proportion equation
4,797,424.26 : 7,197,382.71 = 1,431,631.26 : x - Step 2: Convert to fraction form
4,797,424.26/7,197,382.71 = 1,431,631.26/x - Step 3: Cross multiply
4,797,424.26x = 7,197,382.71 × 1,431,631.26 - Step 4: Simplify right side
4,797,424.26x = 10,303,998,077,819.51 - Step 5: Solve for x
x = 10,303,998,077,819.51/4,797,424.26 - Step 6: Final answer
x = 2,147,818.81
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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.