Finding the Fourth Proportional to 2,183,708.16, 3,013,778.88 and 1,278,288
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Solution
The fourth proportional to 2,183,708.16, 3,013,778.88 and 1,278,288 is: 1,764,190.59
Step by Step Solution
- Step 1: Write the proportion equation
2,183,708.16 : 3,013,778.88 = 1,278,288 : x - Step 2: Convert to fraction form
2,183,708.16/3,013,778.88 = 1,278,288/x - Step 3: Cross multiply
2,183,708.16x = 3,013,778.88 × 1,278,288 - Step 4: Simplify right side
2,183,708.16x = 3,852,477,376,957.44 - Step 5: Solve for x
x = 3,852,477,376,957.44/2,183,708.16 - Step 6: Final answer
x = 1,764,190.59
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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.