Finding the Fourth Proportional to 5,561,256.20, 8,325,554.70 and 4,147,579.40
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Solution
The fourth proportional to 5,561,256.20, 8,325,554.70 and 4,147,579.40 is: 6,209,190.50
Step by Step Solution
- Step 1: Write the proportion equation
5,561,256.20 : 8,325,554.70 = 4,147,579.40 : x - Step 2: Convert to fraction form
5,561,256.20/8,325,554.70 = 4,147,579.40/x - Step 3: Cross multiply
5,561,256.20x = 8,325,554.70 × 4,147,579.40 - Step 4: Simplify right side
5,561,256.20x = 34,530,899,167,293.18 - Step 5: Solve for x
x = 34,530,899,167,293.18/5,561,256.20 - Step 6: Final answer
x = 6,209,190.50
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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.