Finding the Fourth Proportional to 5,216,441.05, 7,824,568.17 and 2,141,764.24
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Solution
The fourth proportional to 5,216,441.05, 7,824,568.17 and 2,141,764.24 is: 3,212,608.01
Step by Step Solution
- Step 1: Write the proportion equation
5,216,441.05 : 7,824,568.17 = 2,141,764.24 : x - Step 2: Convert to fraction form
5,216,441.05/7,824,568.17 = 2,141,764.24/x - Step 3: Cross multiply
5,216,441.05x = 7,824,568.17 × 2,141,764.24 - Step 4: Simplify right side
5,216,441.05x = 16,758,380,299,948.24 - Step 5: Solve for x
x = 16,758,380,299,948.24/5,216,441.05 - Step 6: Final answer
x = 3,212,608.01
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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.