Finding the Fourth Proportional to 4,765,382.84, 7,145,190.11 and 1,922,173.49
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Solution
The fourth proportional to 4,765,382.84, 7,145,190.11 and 1,922,173.49 is: 2,882,096.87
Step by Step Solution
- Step 1: Write the proportion equation
4,765,382.84 : 7,145,190.11 = 1,922,173.49 : x - Step 2: Convert to fraction form
4,765,382.84/7,145,190.11 = 1,922,173.49/x - Step 3: Cross multiply
4,765,382.84x = 7,145,190.11 × 1,922,173.49 - Step 4: Simplify right side
4,765,382.84x = 13,734,294,965,115.37 - Step 5: Solve for x
x = 13,734,294,965,115.37/4,765,382.84 - Step 6: Final answer
x = 2,882,096.87
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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.