Finding the Fourth Proportional to 1,485,230.65, 2,227,931.87 and 420,183.49
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Solution
The fourth proportional to 1,485,230.65, 2,227,931.87 and 420,183.49 is: 630,299.53
Step by Step Solution
- Step 1: Write the proportion equation
1,485,230.65 : 2,227,931.87 = 420,183.49 : x - Step 2: Convert to fraction form
1,485,230.65/2,227,931.87 = 420,183.49/x - Step 3: Cross multiply
1,485,230.65x = 2,227,931.87 × 420,183.49 - Step 4: Simplify right side
1,485,230.65x = 936,140,186,517.91 - Step 5: Solve for x
x = 936,140,186,517.91/1,485,230.65 - Step 6: Final answer
x = 630,299.53
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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.