Finding the Fourth Proportional to 5,532,794.20, 8,299,206.74 and 2,122,126.26
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Solution
The fourth proportional to 5,532,794.20, 8,299,206.74 and 2,122,126.26 is: 3,183,195.31
Step by Step Solution
- Step 1: Write the proportion equation
5,532,794.20 : 8,299,206.74 = 2,122,126.26 : x - Step 2: Convert to fraction form
5,532,794.20/8,299,206.74 = 2,122,126.26/x - Step 3: Cross multiply
5,532,794.20x = 8,299,206.74 × 2,122,126.26 - Step 4: Simplify right side
5,532,794.20x = 17,611,964,560,122.99 - Step 5: Solve for x
x = 17,611,964,560,122.99/5,532,794.20 - Step 6: Final answer
x = 3,183,195.31
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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.