Finding the Fourth Proportional to 3,431,242.28, 5,147,103.18 and 1,409,588.12
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Solution
The fourth proportional to 3,431,242.28, 5,147,103.18 and 1,409,588.12 is: 2,114,480.68
Step by Step Solution
- Step 1: Write the proportion equation
3,431,242.28 : 5,147,103.18 = 1,409,588.12 : x - Step 2: Convert to fraction form
3,431,242.28/5,147,103.18 = 1,409,588.12/x - Step 3: Cross multiply
3,431,242.28x = 5,147,103.18 × 1,409,588.12 - Step 4: Simplify right side
3,431,242.28x = 7,255,295,494,942.22 - Step 5: Solve for x
x = 7,255,295,494,942.22/3,431,242.28 - Step 6: Final answer
x = 2,114,480.68
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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.