Finding the Fourth Proportional to 4,343,120.11, 5,993,512.81 and 2,409,380.71
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Solution
The fourth proportional to 4,343,120.11, 5,993,512.81 and 2,409,380.71 is: 3,324,949.29
Step by Step Solution
- Step 1: Write the proportion equation
4,343,120.11 : 5,993,512.81 = 2,409,380.71 : x - Step 2: Convert to fraction form
4,343,120.11/5,993,512.81 = 2,409,380.71/x - Step 3: Cross multiply
4,343,120.11x = 5,993,512.81 × 2,409,380.71 - Step 4: Simplify right side
4,343,120.11x = 14,440,654,128,544.66 - Step 5: Solve for x
x = 14,440,654,128,544.66/4,343,120.11 - Step 6: Final answer
x = 3,324,949.29
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.