Finding the Fourth Proportional to 3,782,702.12, 5,640,738.36 and 3,748,584.92
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Solution
The fourth proportional to 3,782,702.12, 5,640,738.36 and 3,748,584.92 is: 5,589,863.04
Step by Step Solution
- Step 1: Write the proportion equation
3,782,702.12 : 5,640,738.36 = 3,748,584.92 : x - Step 2: Convert to fraction form
3,782,702.12/5,640,738.36 = 3,748,584.92/x - Step 3: Cross multiply
3,782,702.12x = 5,640,738.36 × 3,748,584.92 - Step 4: Simplify right side
3,782,702.12x = 21,144,786,753,961.53 - Step 5: Solve for x
x = 21,144,786,753,961.53/3,782,702.12 - Step 6: Final answer
x = 5,589,863.04
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.