Finding the Fourth Proportional to 3,785,491.26, 5,223,361.41 and 2,236,538.79
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Solution
The fourth proportional to 3,785,491.26, 5,223,361.41 and 2,236,538.79 is: 3,086,059.27
Step by Step Solution
- Step 1: Write the proportion equation
3,785,491.26 : 5,223,361.41 = 2,236,538.79 : x - Step 2: Convert to fraction form
3,785,491.26/5,223,361.41 = 2,236,538.79/x - Step 3: Cross multiply
3,785,491.26x = 5,223,361.41 × 2,236,538.79 - Step 4: Simplify right side
3,785,491.26x = 11,682,250,407,654.09 - Step 5: Solve for x
x = 11,682,250,407,654.09/3,785,491.26 - Step 6: Final answer
x = 3,086,059.27
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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.