Finding the Fourth Proportional to 4,138,107.75, 6,203,135.99 and 1,978,571.67
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Solution
The fourth proportional to 4,138,107.75, 6,203,135.99 and 1,978,571.67 is: 2,965,932.71
Step by Step Solution
- Step 1: Write the proportion equation
4,138,107.75 : 6,203,135.99 = 1,978,571.67 : x - Step 2: Convert to fraction form
4,138,107.75/6,203,135.99 = 1,978,571.67/x - Step 3: Cross multiply
4,138,107.75x = 6,203,135.99 × 1,978,571.67 - Step 4: Simplify right side
4,138,107.75x = 12,273,349,159,469.77 - Step 5: Solve for x
x = 12,273,349,159,469.77/4,138,107.75 - Step 6: Final answer
x = 2,965,932.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.