Finding the Fourth Proportional to 3,682,884.09, 5,080,619.76 and 2,861,466.33
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Solution
The fourth proportional to 3,682,884.09, 5,080,619.76 and 2,861,466.33 is: 3,947,455.86
Step by Step Solution
- Step 1: Write the proportion equation
3,682,884.09 : 5,080,619.76 = 2,861,466.33 : x - Step 2: Convert to fraction form
3,682,884.09/5,080,619.76 = 2,861,466.33/x - Step 3: Cross multiply
3,682,884.09x = 5,080,619.76 × 2,861,466.33 - Step 4: Simplify right side
3,682,884.09x = 14,538,022,378,772.68 - Step 5: Solve for x
x = 14,538,022,378,772.68/3,682,884.09 - Step 6: Final answer
x = 3,947,455.86
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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.