Finding the Fourth Proportional to 3,918,049.09, 5,874,390.57 and 1,995,238.23
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Solution
The fourth proportional to 3,918,049.09, 5,874,390.57 and 1,995,238.23 is: 2,991,491.01
Step by Step Solution
- Step 1: Write the proportion equation
3,918,049.09 : 5,874,390.57 = 1,995,238.23 : x - Step 2: Convert to fraction form
3,918,049.09/5,874,390.57 = 1,995,238.23/x - Step 3: Cross multiply
3,918,049.09x = 5,874,390.57 × 1,995,238.23 - Step 4: Simplify right side
3,918,049.09x = 11,720,808,643,215.49 - Step 5: Solve for x
x = 11,720,808,643,215.49/3,918,049.09 - Step 6: Final answer
x = 2,991,491.01
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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.