Finding the Fourth Proportional to 4,122,571.97, 5,689,163.77 and 2,287,066.61
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Solution
The fourth proportional to 4,122,571.97, 5,689,163.77 and 2,287,066.61 is: 3,156,159.94
Step by Step Solution
- Step 1: Write the proportion equation
4,122,571.97 : 5,689,163.77 = 2,287,066.61 : x - Step 2: Convert to fraction form
4,122,571.97/5,689,163.77 = 2,287,066.61/x - Step 3: Cross multiply
4,122,571.97x = 5,689,163.77 × 2,287,066.61 - Step 4: Simplify right side
4,122,571.97x = 13,011,496,505,693.96 - Step 5: Solve for x
x = 13,011,496,505,693.96/4,122,571.97 - Step 6: Final answer
x = 3,156,159.94
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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.