Finding the Fourth Proportional to 3,462,481.80, 5,193,722.70 and 1,969,489.80
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Solution
The fourth proportional to 3,462,481.80, 5,193,722.70 and 1,969,489.80 is: 2,954,234.70
Step by Step Solution
- Step 1: Write the proportion equation
3,462,481.80 : 5,193,722.70 = 1,969,489.80 : x - Step 2: Convert to fraction form
3,462,481.80/5,193,722.70 = 1,969,489.80/x - Step 3: Cross multiply
3,462,481.80x = 5,193,722.70 × 1,969,489.80 - Step 4: Simplify right side
3,462,481.80x = 10,228,983,881,678.46 - Step 5: Solve for x
x = 10,228,983,881,678.46/3,462,481.80 - Step 6: Final answer
x = 2,954,234.70
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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.