Finding the Fourth Proportional to 2,993,854.27, 4,131,520.42 and 1,617,197.92
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Solution
The fourth proportional to 2,993,854.27, 4,131,520.42 and 1,617,197.92 is: 2,231,733.95
Step by Step Solution
- Step 1: Write the proportion equation
2,993,854.27 : 4,131,520.42 = 1,617,197.92 : x - Step 2: Convert to fraction form
2,993,854.27/4,131,520.42 = 1,617,197.92/x - Step 3: Cross multiply
2,993,854.27x = 4,131,520.42 × 1,617,197.92 - Step 4: Simplify right side
2,993,854.27x = 6,681,486,229,661.53 - Step 5: Solve for x
x = 6,681,486,229,661.53/2,993,854.27 - Step 6: Final answer
x = 2,231,733.95
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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.