Finding the Fourth Proportional to 4,149,716.40, 6,229,240.20 and 3,207,265.20
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Solution
The fourth proportional to 4,149,716.40, 6,229,240.20 and 3,207,265.20 is: 4,814,503.79
Step by Step Solution
- Step 1: Write the proportion equation
4,149,716.40 : 6,229,240.20 = 3,207,265.20 : x - Step 2: Convert to fraction form
4,149,716.40/6,229,240.20 = 3,207,265.20/x - Step 3: Cross multiply
4,149,716.40x = 6,229,240.20 × 3,207,265.20 - Step 4: Simplify right side
4,149,716.40x = 19,978,825,315,901.04 - Step 5: Solve for x
x = 19,978,825,315,901.04/4,149,716.40 - Step 6: Final answer
x = 4,814,503.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.