Finding the Fourth Proportional to 3,164,778.99, 4,739,295.26 and 2,213,696.43
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Solution
The fourth proportional to 3,164,778.99, 4,739,295.26 and 2,213,696.43 is: 3,315,037.49
Step by Step Solution
- Step 1: Write the proportion equation
3,164,778.99 : 4,739,295.26 = 2,213,696.43 : x - Step 2: Convert to fraction form
3,164,778.99/4,739,295.26 = 2,213,696.43/x - Step 3: Cross multiply
3,164,778.99x = 4,739,295.26 × 2,213,696.43 - Step 4: Simplify right side
3,164,778.99x = 10,491,360,986,709.44 - Step 5: Solve for x
x = 10,491,360,986,709.44/3,164,778.99 - Step 6: Final answer
x = 3,315,037.49
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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.