Finding the Fourth Proportional to 3,468,820.80, 5,203,231.20 and 2,193,362.40
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Solution
The fourth proportional to 3,468,820.80, 5,203,231.20 and 2,193,362.40 is: 3,290,043.60
Step by Step Solution
- Step 1: Write the proportion equation
3,468,820.80 : 5,203,231.20 = 2,193,362.40 : x - Step 2: Convert to fraction form
3,468,820.80/5,203,231.20 = 2,193,362.40/x - Step 3: Cross multiply
3,468,820.80x = 5,203,231.20 × 2,193,362.40 - Step 4: Simplify right side
3,468,820.80x = 11,412,571,672,586.88 - Step 5: Solve for x
x = 11,412,571,672,586.88/3,468,820.80 - Step 6: Final answer
x = 3,290,043.60
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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.