Finding the Fourth Proportional to 2,227,453.20, 3,073,896.36 and 1,208,859.12
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Solution
The fourth proportional to 2,227,453.20, 3,073,896.36 and 1,208,859.12 is: 1,668,231.53
Step by Step Solution
- Step 1: Write the proportion equation
2,227,453.20 : 3,073,896.36 = 1,208,859.12 : x - Step 2: Convert to fraction form
2,227,453.20/3,073,896.36 = 1,208,859.12/x - Step 3: Cross multiply
2,227,453.20x = 3,073,896.36 × 1,208,859.12 - Step 4: Simplify right side
2,227,453.20x = 3,715,907,648,720.80 - Step 5: Solve for x
x = 3,715,907,648,720.80/2,227,453.20 - Step 6: Final answer
x = 1,668,231.53
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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.