Finding the Fourth Proportional to 6,883,240.80, 10,324,861.20 and 4,195,855.20
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Solution
The fourth proportional to 6,883,240.80, 10,324,861.20 and 4,195,855.20 is: 6,293,782.80
Step by Step Solution
- Step 1: Write the proportion equation
6,883,240.80 : 10,324,861.20 = 4,195,855.20 : x - Step 2: Convert to fraction form
6,883,240.80/10,324,861.20 = 4,195,855.20/x - Step 3: Cross multiply
6,883,240.80x = 10,324,861.20 × 4,195,855.20 - Step 4: Simplify right side
6,883,240.80x = 43,321,622,555,298.24 - Step 5: Solve for x
x = 43,321,622,555,298.24/6,883,240.80 - Step 6: Final answer
x = 6,293,782.80
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Similar ratio
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1.5x scale
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.