Finding the Fourth Proportional to 5,332,821.45, 7,359,241.08 and 2,885,378.79
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Solution
The fourth proportional to 5,332,821.45, 7,359,241.08 and 2,885,378.79 is: 3,981,794.31
Step by Step Solution
- Step 1: Write the proportion equation
5,332,821.45 : 7,359,241.08 = 2,885,378.79 : x - Step 2: Convert to fraction form
5,332,821.45/7,359,241.08 = 2,885,378.79/x - Step 3: Cross multiply
5,332,821.45x = 7,359,241.08 × 2,885,378.79 - Step 4: Simplify right side
5,332,821.45x = 21,234,198,122,728.70 - Step 5: Solve for x
x = 21,234,198,122,728.70/5,332,821.45 - Step 6: Final answer
x = 3,981,794.31
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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.