Finding the Fourth Proportional to 5,310,519.76, 7,958,245.56 and 4,091,484.88
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Solution
The fourth proportional to 5,310,519.76, 7,958,245.56 and 4,091,484.88 is: 6,131,422.70
Step by Step Solution
- Step 1: Write the proportion equation
5,310,519.76 : 7,958,245.56 = 4,091,484.88 : x - Step 2: Convert to fraction form
5,310,519.76/7,958,245.56 = 4,091,484.88/x - Step 3: Cross multiply
5,310,519.76x = 7,958,245.56 × 4,091,484.88 - Step 4: Simplify right side
5,310,519.76x = 32,561,041,380,067.13 - Step 5: Solve for x
x = 32,561,041,380,067.13/5,310,519.76 - Step 6: Final answer
x = 6,131,422.70
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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.