Finding the Fourth Proportional to 5,321,950.20, 7,987,972.20 and 3,294,059.92
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Solution
The fourth proportional to 5,321,950.20, 7,987,972.20 and 3,294,059.92 is: 4,944,213.70
Step by Step Solution
- Step 1: Write the proportion equation
5,321,950.20 : 7,987,972.20 = 3,294,059.92 : x - Step 2: Convert to fraction form
5,321,950.20/7,987,972.20 = 3,294,059.92/x - Step 3: Cross multiply
5,321,950.20x = 7,987,972.20 × 3,294,059.92 - Step 4: Simplify right side
5,321,950.20x = 26,312,859,066,094.22 - Step 5: Solve for x
x = 26,312,859,066,094.22/5,321,950.20 - Step 6: Final answer
x = 4,944,213.70
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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.