Finding the Fourth Proportional to 3,563,500.87, 4,918,163.66 and 2,805,260.23
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Solution
The fourth proportional to 3,563,500.87, 4,918,163.66 and 2,805,260.23 is: 3,871,678.28
Step by Step Solution
- Step 1: Write the proportion equation
3,563,500.87 : 4,918,163.66 = 2,805,260.23 : x - Step 2: Convert to fraction form
3,563,500.87/4,918,163.66 = 2,805,260.23/x - Step 3: Cross multiply
3,563,500.87x = 4,918,163.66 × 2,805,260.23 - Step 4: Simplify right side
3,563,500.87x = 13,796,728,920,029.24 - Step 5: Solve for x
x = 13,796,728,920,029.24/3,563,500.87 - Step 6: Final answer
x = 3,871,678.28
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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.