Finding the Fourth Proportional to 5,125,163.43, 7,072,873.14 and 2,833,471.74
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Solution
The fourth proportional to 5,125,163.43, 7,072,873.14 and 2,833,471.74 is: 3,910,272.61
Step by Step Solution
- Step 1: Write the proportion equation
5,125,163.43 : 7,072,873.14 = 2,833,471.74 : x - Step 2: Convert to fraction form
5,125,163.43/7,072,873.14 = 2,833,471.74/x - Step 3: Cross multiply
5,125,163.43x = 7,072,873.14 × 2,833,471.74 - Step 4: Simplify right side
5,125,163.43x = 20,040,786,162,795.06 - Step 5: Solve for x
x = 20,040,786,162,795.06/5,125,163.43 - Step 6: Final answer
x = 3,910,272.61
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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.