Finding the Fourth Proportional to 4,154,850.20, 6,231,108.90 and 1,315,832.60
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Solution
The fourth proportional to 4,154,850.20, 6,231,108.90 and 1,315,832.60 is: 1,973,379.50
Step by Step Solution
- Step 1: Write the proportion equation
4,154,850.20 : 6,231,108.90 = 1,315,832.60 : x - Step 2: Convert to fraction form
4,154,850.20/6,231,108.90 = 1,315,832.60/x - Step 3: Cross multiply
4,154,850.20x = 6,231,108.90 × 1,315,832.60 - Step 4: Simplify right side
4,154,850.20x = 8,199,096,224,770.14 - Step 5: Solve for x
x = 8,199,096,224,770.14/4,154,850.20 - Step 6: Final answer
x = 1,973,379.50
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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.