Finding the Fourth Proportional to 2,107,163.38, 3,159,465.13 and 826,236.20
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Solution
The fourth proportional to 2,107,163.38, 3,159,465.13 and 826,236.20 is: 1,238,852.43
Step by Step Solution
- Step 1: Write the proportion equation
2,107,163.38 : 3,159,465.13 = 826,236.20 : x - Step 2: Convert to fraction form
2,107,163.38/3,159,465.13 = 826,236.20/x - Step 3: Cross multiply
2,107,163.38x = 3,159,465.13 × 826,236.20 - Step 4: Simplify right side
2,107,163.38x = 2,610,464,470,420.68 - Step 5: Solve for x
x = 2,610,464,470,420.68/2,107,163.38 - Step 6: Final answer
x = 1,238,852.43
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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.