Finding the Fourth Proportional to 3,967,135.99, 5,474,265.12 and 2,224,876.11
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Solution
The fourth proportional to 3,967,135.99, 5,474,265.12 and 2,224,876.11 is: 3,070,114.49
Step by Step Solution
- Step 1: Write the proportion equation
3,967,135.99 : 5,474,265.12 = 2,224,876.11 : x - Step 2: Convert to fraction form
3,967,135.99/5,474,265.12 = 2,224,876.11/x - Step 3: Cross multiply
3,967,135.99x = 5,474,265.12 × 2,224,876.11 - Step 4: Simplify right side
3,967,135.99x = 12,179,561,664,765.79 - Step 5: Solve for x
x = 12,179,561,664,765.79/3,967,135.99 - Step 6: Final answer
x = 3,070,114.49
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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.