Finding the Fourth Proportional to 1,682,425.37, 2,523,643.52 and 420,252.99
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Solution
The fourth proportional to 1,682,425.37, 2,523,643.52 and 420,252.99 is: 630,380.85
Step by Step Solution
- Step 1: Write the proportion equation
1,682,425.37 : 2,523,643.52 = 420,252.99 : x - Step 2: Convert to fraction form
1,682,425.37/2,523,643.52 = 420,252.99/x - Step 3: Cross multiply
1,682,425.37x = 2,523,643.52 × 420,252.99 - Step 4: Simplify right side
1,682,425.37x = 1,060,568,732,872.86 - Step 5: Solve for x
x = 1,060,568,732,872.86/1,682,425.37 - Step 6: Final answer
x = 630,380.85
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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.