Finding the Fourth Proportional to 2,135,449.20, 3,203,173.80 and 715,033.20
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Solution
The fourth proportional to 2,135,449.20, 3,203,173.80 and 715,033.20 is: 1,072,549.80
Step by Step Solution
- Step 1: Write the proportion equation
2,135,449.20 : 3,203,173.80 = 715,033.20 : x - Step 2: Convert to fraction form
2,135,449.20/3,203,173.80 = 715,033.20/x - Step 3: Cross multiply
2,135,449.20x = 3,203,173.80 × 715,033.20 - Step 4: Simplify right side
2,135,449.20x = 2,290,375,612,370.16 - Step 5: Solve for x
x = 2,290,375,612,370.16/2,135,449.20 - Step 6: Final answer
x = 1,072,549.80
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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.