Finding the Fourth Proportional to 5,915,485.70, 8,163,375.70 and 3,199,231.70
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Solution
The fourth proportional to 5,915,485.70, 8,163,375.70 and 3,199,231.70 is: 4,414,942.68
Step by Step Solution
- Step 1: Write the proportion equation
5,915,485.70 : 8,163,375.70 = 3,199,231.70 : x - Step 2: Convert to fraction form
5,915,485.70/8,163,375.70 = 3,199,231.70/x - Step 3: Cross multiply
5,915,485.70x = 8,163,375.70 × 3,199,231.70 - Step 4: Simplify right side
5,915,485.70x = 26,116,530,318,449.69 - Step 5: Solve for x
x = 26,116,530,318,449.69/5,915,485.70 - Step 6: Final answer
x = 4,414,942.68
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1.5x scale
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.