Finding the Fourth Proportional to 4,191,851.70, 6,287,777.55 and 2,066,087.70
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Solution
The fourth proportional to 4,191,851.70, 6,287,777.55 and 2,066,087.70 is: 3,099,131.55
Step by Step Solution
- Step 1: Write the proportion equation
4,191,851.70 : 6,287,777.55 = 2,066,087.70 : x - Step 2: Convert to fraction form
4,191,851.70/6,287,777.55 = 2,066,087.70/x - Step 3: Cross multiply
4,191,851.70x = 6,287,777.55 × 2,066,087.70 - Step 4: Simplify right side
4,191,851.70x = 12,991,099,856,391.13 - Step 5: Solve for x
x = 12,991,099,856,391.13/4,191,851.70 - Step 6: Final answer
x = 3,099,131.55
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Similar ratio
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1.5x scale
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.