Finding the Fourth Proportional to 3,670,486.40, 5,505,729.60 and 2,713,892.60
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Solution
The fourth proportional to 3,670,486.40, 5,505,729.60 and 2,713,892.60 is: 4,070,838.90
Step by Step Solution
- Step 1: Write the proportion equation
3,670,486.40 : 5,505,729.60 = 2,713,892.60 : x - Step 2: Convert to fraction form
3,670,486.40/5,505,729.60 = 2,713,892.60/x - Step 3: Cross multiply
3,670,486.40x = 5,505,729.60 × 2,713,892.60 - Step 4: Simplify right side
3,670,486.40x = 14,941,958,819,040.96 - Step 5: Solve for x
x = 14,941,958,819,040.96/3,670,486.40 - Step 6: Final answer
x = 4,070,838.90
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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.