Finding the Fourth Proportional to 3,668,893.92, 5,062,847.76 and 2,037,201.84
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Solution
The fourth proportional to 3,668,893.92, 5,062,847.76 and 2,037,201.84 is: 2,811,213.13
Step by Step Solution
- Step 1: Write the proportion equation
3,668,893.92 : 5,062,847.76 = 2,037,201.84 : x - Step 2: Convert to fraction form
3,668,893.92/5,062,847.76 = 2,037,201.84/x - Step 3: Cross multiply
3,668,893.92x = 5,062,847.76 × 2,037,201.84 - Step 4: Simplify right side
3,668,893.92x = 10,314,042,772,311.88 - Step 5: Solve for x
x = 10,314,042,772,311.88/3,668,893.92 - Step 6: Final answer
x = 2,811,213.13
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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.