Finding the Fourth Proportional to 2,764,832.62, 4,147,245.69 and 770,288.62
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Solution
The fourth proportional to 2,764,832.62, 4,147,245.69 and 770,288.62 is: 1,155,432.03
Step by Step Solution
- Step 1: Write the proportion equation
2,764,832.62 : 4,147,245.69 = 770,288.62 : x - Step 2: Convert to fraction form
2,764,832.62/4,147,245.69 = 770,288.62/x - Step 3: Cross multiply
2,764,832.62x = 4,147,245.69 × 770,288.62 - Step 4: Simplify right side
2,764,832.62x = 3,194,576,159,351.05 - Step 5: Solve for x
x = 3,194,576,159,351.05/2,764,832.62 - Step 6: Final answer
x = 1,155,432.03
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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.