Finding the Fourth Proportional to 5,519,278.26, 8,278,265.39 and 1,476,079.44
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Solution
The fourth proportional to 5,519,278.26, 8,278,265.39 and 1,476,079.44 is: 2,213,944.79
Step by Step Solution
- Step 1: Write the proportion equation
5,519,278.26 : 8,278,265.39 = 1,476,079.44 : x - Step 2: Convert to fraction form
5,519,278.26/8,278,265.39 = 1,476,079.44/x - Step 3: Cross multiply
5,519,278.26x = 8,278,265.39 × 1,476,079.44 - Step 4: Simplify right side
5,519,278.26x = 12,219,377,344,732.78 - Step 5: Solve for x
x = 12,219,377,344,732.78/5,519,278.26 - Step 6: Final answer
x = 2,213,944.79
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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.