Finding the Fourth Proportional to 1,452,850.81, 2,178,522.20 and 428,048.08
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Solution
The fourth proportional to 1,452,850.81, 2,178,522.20 and 428,048.08 is: 641,849.97
Step by Step Solution
- Step 1: Write the proportion equation
1,452,850.81 : 2,178,522.20 = 428,048.08 : x - Step 2: Convert to fraction form
1,452,850.81/2,178,522.20 = 428,048.08/x - Step 3: Cross multiply
1,452,850.81x = 2,178,522.20 × 428,048.08 - Step 4: Simplify right side
1,452,850.81x = 932,512,240,571.19 - Step 5: Solve for x
x = 932,512,240,571.19/1,452,850.81 - Step 6: Final answer
x = 641,849.97
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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.