Finding the Fourth Proportional to 4,090,702.26, 5,645,361.33 and 2,279,879.22
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Solution
The fourth proportional to 4,090,702.26, 5,645,361.33 and 2,279,879.22 is: 3,146,340.45
Step by Step Solution
- Step 1: Write the proportion equation
4,090,702.26 : 5,645,361.33 = 2,279,879.22 : x - Step 2: Convert to fraction form
4,090,702.26/5,645,361.33 = 2,279,879.22/x - Step 3: Cross multiply
4,090,702.26x = 5,645,361.33 × 2,279,879.22 - Step 4: Simplify right side
4,090,702.26x = 12,870,741,985,658.56 - Step 5: Solve for x
x = 12,870,741,985,658.56/4,090,702.26 - Step 6: Final answer
x = 3,146,340.45
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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.