Finding the Fourth Proportional to 5,934,149.72, 8,189,469.81 and 3,320,630.99
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Solution
The fourth proportional to 5,934,149.72, 8,189,469.81 and 3,320,630.99 is: 4,582,662.81
Step by Step Solution
- Step 1: Write the proportion equation
5,934,149.72 : 8,189,469.81 = 3,320,630.99 : x - Step 2: Convert to fraction form
5,934,149.72/8,189,469.81 = 3,320,630.99/x - Step 3: Cross multiply
5,934,149.72x = 8,189,469.81 × 3,320,630.99 - Step 4: Simplify right side
5,934,149.72x = 27,194,207,201,808.06 - Step 5: Solve for x
x = 27,194,207,201,808.06/5,934,149.72 - Step 6: Final answer
x = 4,582,662.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.