Finding the Fourth Proportional to 2,135,443.20, 3,203,164.80 and 715,027.20
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Solution
The fourth proportional to 2,135,443.20, 3,203,164.80 and 715,027.20 is: 1,072,540.80
Step by Step Solution
- Step 1: Write the proportion equation
2,135,443.20 : 3,203,164.80 = 715,027.20 : x - Step 2: Convert to fraction form
2,135,443.20/3,203,164.80 = 715,027.20/x - Step 3: Cross multiply
2,135,443.20x = 3,203,164.80 × 715,027.20 - Step 4: Simplify right side
2,135,443.20x = 2,290,349,958,082.56 - Step 5: Solve for x
x = 2,290,349,958,082.56/2,135,443.20 - Step 6: Final answer
x = 1,072,540.80
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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.