Finding the Fourth Proportional to 3,220,808.28, 4,444,729.83 and 1,770,597.15
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Solution
The fourth proportional to 3,220,808.28, 4,444,729.83 and 1,770,597.15 is: 2,443,431.99
Step by Step Solution
- Step 1: Write the proportion equation
3,220,808.28 : 4,444,729.83 = 1,770,597.15 : x - Step 2: Convert to fraction form
3,220,808.28/4,444,729.83 = 1,770,597.15/x - Step 3: Cross multiply
3,220,808.28x = 4,444,729.83 × 1,770,597.15 - Step 4: Simplify right side
3,220,808.28x = 7,869,825,969,517.99 - Step 5: Solve for x
x = 7,869,825,969,517.99/3,220,808.28 - Step 6: Final answer
x = 2,443,431.99
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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.