Finding the Fourth Proportional to 3,672,393.80, 5,503,212.30 and 3,293,313.80
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Solution
The fourth proportional to 3,672,393.80, 5,503,212.30 and 3,293,313.80 is: 4,935,147.48
Step by Step Solution
- Step 1: Write the proportion equation
3,672,393.80 : 5,503,212.30 = 3,293,313.80 : x - Step 2: Convert to fraction form
3,672,393.80/5,503,212.30 = 3,293,313.80/x - Step 3: Cross multiply
3,672,393.80x = 5,503,212.30 × 3,293,313.80 - Step 4: Simplify right side
3,672,393.80x = 18,123,805,011,919.74 - Step 5: Solve for x
x = 18,123,805,011,919.74/3,672,393.80 - Step 6: Final answer
x = 4,935,147.48
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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.