Finding the Fourth Proportional to 3,880,441.20, 5,823,286.20 and 2,174,581.20
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Solution
The fourth proportional to 3,880,441.20, 5,823,286.20 and 2,174,581.20 is: 3,263,342.50
Step by Step Solution
- Step 1: Write the proportion equation
3,880,441.20 : 5,823,286.20 = 2,174,581.20 : x - Step 2: Convert to fraction form
3,880,441.20/5,823,286.20 = 2,174,581.20/x - Step 3: Cross multiply
3,880,441.20x = 5,823,286.20 × 2,174,581.20 - Step 4: Simplify right side
3,880,441.20x = 12,663,208,692,739.44 - Step 5: Solve for x
x = 12,663,208,692,739.44/3,880,441.20 - Step 6: Final answer
x = 3,263,342.50
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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.