Finding the Fourth Proportional to 3,198,832.56, 4,798,549.55 and 1,177,115.09
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Solution
The fourth proportional to 3,198,832.56, 4,798,549.55 and 1,177,115.09 is: 1,765,783.28
Step by Step Solution
- Step 1: Write the proportion equation
3,198,832.56 : 4,798,549.55 = 1,177,115.09 : x - Step 2: Convert to fraction form
3,198,832.56/4,798,549.55 = 1,177,115.09/x - Step 3: Cross multiply
3,198,832.56x = 4,798,549.55 × 1,177,115.09 - Step 4: Simplify right side
3,198,832.56x = 5,648,445,064,367.75 - Step 5: Solve for x
x = 5,648,445,064,367.75/3,198,832.56 - Step 6: Final answer
x = 1,765,783.28
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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.