Finding the Fourth Proportional to 4,086,622.26, 5,639,538.30 and 2,368,739.22
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Solution
The fourth proportional to 4,086,622.26, 5,639,538.30 and 2,368,739.22 is: 3,268,859.88
Step by Step Solution
- Step 1: Write the proportion equation
4,086,622.26 : 5,639,538.30 = 2,368,739.22 : x - Step 2: Convert to fraction form
4,086,622.26/5,639,538.30 = 2,368,739.22/x - Step 3: Cross multiply
4,086,622.26x = 5,639,538.30 × 2,368,739.22 - Step 4: Simplify right side
4,086,622.26x = 13,358,595,553,902.13 - Step 5: Solve for x
x = 13,358,595,553,902.13/4,086,622.26 - Step 6: Final answer
x = 3,268,859.88
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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.