Finding the Fourth Proportional to 3,630,640.16, 5,011,654.32 and 2,854,245.44
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Solution
The fourth proportional to 3,630,640.16, 5,011,654.32 and 2,854,245.44 is: 3,939,936.45
Step by Step Solution
- Step 1: Write the proportion equation
3,630,640.16 : 5,011,654.32 = 2,854,245.44 : x - Step 2: Convert to fraction form
3,630,640.16/5,011,654.32 = 2,854,245.44/x - Step 3: Cross multiply
3,630,640.16x = 5,011,654.32 × 2,854,245.44 - Step 4: Simplify right side
3,630,640.16x = 14,304,491,489,716.30 - Step 5: Solve for x
x = 14,304,491,489,716.30/3,630,640.16 - Step 6: Final answer
x = 3,939,936.45
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1.5x scale
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.