Finding the Fourth Proportional to 1,682,950, 2,524,425.12 and 420,777.62
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Solution
The fourth proportional to 1,682,950, 2,524,425.12 and 420,777.62 is: 631,166.46
Step by Step Solution
- Step 1: Write the proportion equation
1,682,950 : 2,524,425.12 = 420,777.62 : x - Step 2: Convert to fraction form
1,682,950/2,524,425.12 = 420,777.62/x - Step 3: Cross multiply
1,682,950x = 2,524,425.12 × 420,777.62 - Step 4: Simplify right side
1,682,950x = 1,062,221,593,861.81 - Step 5: Solve for x
x = 1,062,221,593,861.81/1,682,950 - Step 6: Final answer
x = 631,166.46
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1.5x scale
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.