Finding the Fourth Proportional to 2,170,450.24, 2,995,400.92 and 1,203,892.84
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Solution
The fourth proportional to 2,170,450.24, 2,995,400.92 and 1,203,892.84 is: 1,661,471.73
Step by Step Solution
- Step 1: Write the proportion equation
2,170,450.24 : 2,995,400.92 = 1,203,892.84 : x - Step 2: Convert to fraction form
2,170,450.24/2,995,400.92 = 1,203,892.84/x - Step 3: Cross multiply
2,170,450.24x = 2,995,400.92 × 1,203,892.84 - Step 4: Simplify right side
2,170,450.24x = 3,606,141,720,517.41 - Step 5: Solve for x
x = 3,606,141,720,517.41/2,170,450.24 - Step 6: Final answer
x = 1,661,471.73
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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.