Finding the Fourth Proportional to 2,193,136.20, 3,289,704.30 and 930,799.80
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Solution
The fourth proportional to 2,193,136.20, 3,289,704.30 and 930,799.80 is: 1,396,199.70
Step by Step Solution
- Step 1: Write the proportion equation
2,193,136.20 : 3,289,704.30 = 930,799.80 : x - Step 2: Convert to fraction form
2,193,136.20/3,289,704.30 = 930,799.80/x - Step 3: Cross multiply
2,193,136.20x = 3,289,704.30 × 930,799.80 - Step 4: Simplify right side
2,193,136.20x = 3,062,056,104,499.14 - Step 5: Solve for x
x = 3,062,056,104,499.14/2,193,136.20 - Step 6: Final answer
x = 1,396,199.70
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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.