Finding the Fourth Proportional to 3,850,135.48, 5,780,880.56 and 2,147,605.20
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Solution
The fourth proportional to 3,850,135.48, 5,780,880.56 and 2,147,605.20 is: 3,224,574.62
Step by Step Solution
- Step 1: Write the proportion equation
3,850,135.48 : 5,780,880.56 = 2,147,605.20 : x - Step 2: Convert to fraction form
3,850,135.48/5,780,880.56 = 2,147,605.20/x - Step 3: Cross multiply
3,850,135.48x = 5,780,880.56 × 2,147,605.20 - Step 4: Simplify right side
3,850,135.48x = 12,415,049,151,234.91 - Step 5: Solve for x
x = 12,415,049,151,234.91/3,850,135.48 - Step 6: Final answer
x = 3,224,574.62
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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.