Finding the Fourth Proportional to 3,247,388.26, 4,481,404.52 and 1,797,183.70
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Solution
The fourth proportional to 3,247,388.26, 4,481,404.52 and 1,797,183.70 is: 2,480,118.33
Step by Step Solution
- Step 1: Write the proportion equation
3,247,388.26 : 4,481,404.52 = 1,797,183.70 : x - Step 2: Convert to fraction form
3,247,388.26/4,481,404.52 = 1,797,183.70/x - Step 3: Cross multiply
3,247,388.26x = 4,481,404.52 × 1,797,183.70 - Step 4: Simplify right side
3,247,388.26x = 8,053,907,156,450.32 - Step 5: Solve for x
x = 8,053,907,156,450.32/3,247,388.26 - Step 6: Final answer
x = 2,480,118.33
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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.