Finding the Fourth Proportional to 2,107,163.63, 3,159,465.50 and 826,236.45
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Solution
The fourth proportional to 2,107,163.63, 3,159,465.50 and 826,236.45 is: 1,238,852.81
Step by Step Solution
- Step 1: Write the proportion equation
2,107,163.63 : 3,159,465.50 = 826,236.45 : x - Step 2: Convert to fraction form
2,107,163.63/3,159,465.50 = 826,236.45/x - Step 3: Cross multiply
2,107,163.63x = 3,159,465.50 × 826,236.45 - Step 4: Simplify right side
2,107,163.63x = 2,610,465,568,581.73 - Step 5: Solve for x
x = 2,610,465,568,581.73/2,107,163.63 - Step 6: Final answer
x = 1,238,852.81
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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.