Finding the Fourth Proportional to 2,492,143.20, 3,738,214.80 and 809,246.70
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Solution
The fourth proportional to 2,492,143.20, 3,738,214.80 and 809,246.70 is: 1,213,870.05
Step by Step Solution
- Step 1: Write the proportion equation
2,492,143.20 : 3,738,214.80 = 809,246.70 : x - Step 2: Convert to fraction form
2,492,143.20/3,738,214.80 = 809,246.70/x - Step 3: Cross multiply
2,492,143.20x = 3,738,214.80 × 809,246.70 - Step 4: Simplify right side
2,492,143.20x = 3,025,137,990,791.16 - Step 5: Solve for x
x = 3,025,137,990,791.16/2,492,143.20 - Step 6: Final answer
x = 1,213,870.05
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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.