Finding the Fourth Proportional to 5,370,452.72, 8,056,421.49 and 1,727,285.70
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Solution
The fourth proportional to 5,370,452.72, 8,056,421.49 and 1,727,285.70 is: 2,591,167.33
Step by Step Solution
- Step 1: Write the proportion equation
5,370,452.72 : 8,056,421.49 = 1,727,285.70 : x - Step 2: Convert to fraction form
5,370,452.72/8,056,421.49 = 1,727,285.70/x - Step 3: Cross multiply
5,370,452.72x = 8,056,421.49 × 1,727,285.70 - Step 4: Simplify right side
5,370,452.72x = 13,915,741,632,849.69 - Step 5: Solve for x
x = 13,915,741,632,849.69/5,370,452.72 - Step 6: Final answer
x = 2,591,167.33
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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.