Finding the Fourth Proportional to 3,907,855.20, 5,861,782.80 and 2,414,863.20
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Solution
The fourth proportional to 3,907,855.20, 5,861,782.80 and 2,414,863.20 is: 3,622,294.80
Step by Step Solution
- Step 1: Write the proportion equation
3,907,855.20 : 5,861,782.80 = 2,414,863.20 : x - Step 2: Convert to fraction form
3,907,855.20/5,861,782.80 = 2,414,863.20/x - Step 3: Cross multiply
3,907,855.20x = 5,861,782.80 × 2,414,863.20 - Step 4: Simplify right side
3,907,855.20x = 14,155,403,570,112.96 - Step 5: Solve for x
x = 14,155,403,570,112.96/3,907,855.20 - Step 6: Final answer
x = 3,622,294.80
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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.