Finding the Fourth Proportional to 3,797,453.42, 5,239,449.39 and 2,165,265.62
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Solution
The fourth proportional to 3,797,453.42, 5,239,449.39 and 2,165,265.62 is: 2,987,475.65
Step by Step Solution
- Step 1: Write the proportion equation
3,797,453.42 : 5,239,449.39 = 2,165,265.62 : x - Step 2: Convert to fraction form
3,797,453.42/5,239,449.39 = 2,165,265.62/x - Step 3: Cross multiply
3,797,453.42x = 5,239,449.39 × 2,165,265.62 - Step 4: Simplify right side
3,797,453.42x = 11,344,799,631,896.97 - Step 5: Solve for x
x = 11,344,799,631,896.97/3,797,453.42 - Step 6: Final answer
x = 2,987,475.65
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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.