Finding the Fourth Proportional to 2,682,243.15, 3,701,382.87 and 1,520,767.55
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Solution
The fourth proportional to 2,682,243.15, 3,701,382.87 and 1,520,767.55 is: 2,098,595.33
Step by Step Solution
- Step 1: Write the proportion equation
2,682,243.15 : 3,701,382.87 = 1,520,767.55 : x - Step 2: Convert to fraction form
2,682,243.15/3,701,382.87 = 1,520,767.55/x - Step 3: Cross multiply
2,682,243.15x = 3,701,382.87 × 1,520,767.55 - Step 4: Simplify right side
2,682,243.15x = 5,628,942,945,614.01 - Step 5: Solve for x
x = 5,628,942,945,614.01/2,682,243.15 - Step 6: Final answer
x = 2,098,595.33
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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.