Finding the Fourth Proportional to 4,086,621.26, 5,639,536.92 and 2,368,738.22
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Solution
The fourth proportional to 4,086,621.26, 5,639,536.92 and 2,368,738.22 is: 3,268,858.50
Step by Step Solution
- Step 1: Write the proportion equation
4,086,621.26 : 5,639,536.92 = 2,368,738.22 : x - Step 2: Convert to fraction form
4,086,621.26/5,639,536.92 = 2,368,738.22/x - Step 3: Cross multiply
4,086,621.26x = 5,639,536.92 × 2,368,738.22 - Step 4: Simplify right side
4,086,621.26x = 13,358,586,645,505.08 - Step 5: Solve for x
x = 13,358,586,645,505.08/4,086,621.26 - Step 6: Final answer
x = 3,268,858.50
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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.