Finding the Fourth Proportional to 3,983,183.40, 5,974,765.92 and 1,707,232.05
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Solution
The fourth proportional to 3,983,183.40, 5,974,765.92 and 1,707,232.05 is: 2,560,844.14
Step by Step Solution
- Step 1: Write the proportion equation
3,983,183.40 : 5,974,765.92 = 1,707,232.05 : x - Step 2: Convert to fraction form
3,983,183.40/5,974,765.92 = 1,707,232.05/x - Step 3: Cross multiply
3,983,183.40x = 5,974,765.92 × 1,707,232.05 - Step 4: Simplify right side
3,983,183.40x = 10,200,311,869,871.74 - Step 5: Solve for x
x = 10,200,311,869,871.74/3,983,183.40 - Step 6: Final answer
x = 2,560,844.14
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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.