Finding the Fourth Proportional to 1,288,163.10, 1,932,244.65 and 931,244.70
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Solution
The fourth proportional to 1,288,163.10, 1,932,244.65 and 931,244.70 is: 1,396,867.05
Step by Step Solution
- Step 1: Write the proportion equation
1,288,163.10 : 1,932,244.65 = 931,244.70 : x - Step 2: Convert to fraction form
1,288,163.10/1,932,244.65 = 931,244.70/x - Step 3: Cross multiply
1,288,163.10x = 1,932,244.65 × 931,244.70 - Step 4: Simplify right side
1,288,163.10x = 1,799,392,589,415.85 - Step 5: Solve for x
x = 1,799,392,589,415.85/1,288,163.10 - Step 6: Final answer
x = 1,396,867.05
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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.