Finding the Fourth Proportional to 1,471,569.75, 2,206,163.12 and 460,170.81
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Solution
The fourth proportional to 1,471,569.75, 2,206,163.12 and 460,170.81 is: 689,883.62
Step by Step Solution
- Step 1: Write the proportion equation
1,471,569.75 : 2,206,163.12 = 460,170.81 : x - Step 2: Convert to fraction form
1,471,569.75/2,206,163.12 = 460,170.81/x - Step 3: Cross multiply
1,471,569.75x = 2,206,163.12 × 460,170.81 - Step 4: Simplify right side
1,471,569.75x = 1,015,211,867,621.67 - Step 5: Solve for x
x = 1,015,211,867,621.67/1,471,569.75 - Step 6: Final answer
x = 689,883.62
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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.