Finding the Fourth Proportional to 4,145,082.12, 6,217,845.12 and 1,305,415.44
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Solution
The fourth proportional to 4,145,082.12, 6,217,845.12 and 1,305,415.44 is: 1,958,193.06
Step by Step Solution
- Step 1: Write the proportion equation
4,145,082.12 : 6,217,845.12 = 1,305,415.44 : x - Step 2: Convert to fraction form
4,145,082.12/6,217,845.12 = 1,305,415.44/x - Step 3: Cross multiply
4,145,082.12x = 6,217,845.12 × 1,305,415.44 - Step 4: Simplify right side
4,145,082.12x = 8,116,871,023,176.65 - Step 5: Solve for x
x = 8,116,871,023,176.65/4,145,082.12 - Step 6: Final answer
x = 1,958,193.06
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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.