Finding the Fourth Proportional to 2,107,976.40, 3,161,491.21 and 969,645.18
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Solution
The fourth proportional to 2,107,976.40, 3,161,491.21 and 969,645.18 is: 1,454,250.01
Step by Step Solution
- Step 1: Write the proportion equation
2,107,976.40 : 3,161,491.21 = 969,645.18 : x - Step 2: Convert to fraction form
2,107,976.40/3,161,491.21 = 969,645.18/x - Step 3: Cross multiply
2,107,976.40x = 3,161,491.21 × 969,645.18 - Step 4: Simplify right side
2,107,976.40x = 3,065,524,703,218.87 - Step 5: Solve for x
x = 3,065,524,703,218.87/2,107,976.40 - Step 6: Final answer
x = 1,454,250.01
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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.