Finding the Fourth Proportional to 3,271,949.12, 4,515,201.92 and 1,821,645.44
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Solution
The fourth proportional to 3,271,949.12, 4,515,201.92 and 1,821,645.44 is: 2,513,821.79
Step by Step Solution
- Step 1: Write the proportion equation
3,271,949.12 : 4,515,201.92 = 1,821,645.44 : x - Step 2: Convert to fraction form
3,271,949.12/4,515,201.92 = 1,821,645.44/x - Step 3: Cross multiply
3,271,949.12x = 4,515,201.92 × 1,821,645.44 - Step 4: Simplify right side
3,271,949.12x = 8,225,096,988,247.24 - Step 5: Solve for x
x = 8,225,096,988,247.24/3,271,949.12 - Step 6: Final answer
x = 2,513,821.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.