Finding the Fourth Proportional to 2,198,235.10, 3,297,352.65 and 936,190.30
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Solution
The fourth proportional to 2,198,235.10, 3,297,352.65 and 936,190.30 is: 1,404,285.45
Step by Step Solution
- Step 1: Write the proportion equation
2,198,235.10 : 3,297,352.65 = 936,190.30 : x - Step 2: Convert to fraction form
2,198,235.10/3,297,352.65 = 936,190.30/x - Step 3: Cross multiply
2,198,235.10x = 3,297,352.65 × 936,190.30 - Step 4: Simplify right side
2,198,235.10x = 3,086,949,566,609.30 - Step 5: Solve for x
x = 3,086,949,566,609.30/2,198,235.10 - Step 6: Final answer
x = 1,404,285.45
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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.