Finding the Fourth Proportional to 3,310,402.19, 4,965,571.56 and 1,961,593.88
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Solution
The fourth proportional to 3,310,402.19, 4,965,571.56 and 1,961,593.88 is: 2,942,372.02
Step by Step Solution
- Step 1: Write the proportion equation
3,310,402.19 : 4,965,571.56 = 1,961,593.88 : x - Step 2: Convert to fraction form
3,310,402.19/4,965,571.56 = 1,961,593.88/x - Step 3: Cross multiply
3,310,402.19x = 4,965,571.56 × 1,961,593.88 - Step 4: Simplify right side
3,310,402.19x = 9,740,434,782,798.05 - Step 5: Solve for x
x = 9,740,434,782,798.05/3,310,402.19 - Step 6: Final answer
x = 2,942,372.02
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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.