Finding the Fourth Proportional to 2,521,722.75, 3,782,178.09 and 724,197.38
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Solution
The fourth proportional to 2,521,722.75, 3,782,178.09 and 724,197.38 is: 1,086,179.46
Step by Step Solution
- Step 1: Write the proportion equation
2,521,722.75 : 3,782,178.09 = 724,197.38 : x - Step 2: Convert to fraction form
2,521,722.75/3,782,178.09 = 724,197.38/x - Step 3: Cross multiply
2,521,722.75x = 3,782,178.09 × 724,197.38 - Step 4: Simplify right side
2,521,722.75x = 2,739,043,463,471.40 - Step 5: Solve for x
x = 2,739,043,463,471.40/2,521,722.75 - Step 6: Final answer
x = 1,086,179.46
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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.