Finding the Fourth Proportional to 2,079,351.40, 3,119,027.10 and 1,183,556.20
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Solution
The fourth proportional to 2,079,351.40, 3,119,027.10 and 1,183,556.20 is: 1,775,334.30
Step by Step Solution
- Step 1: Write the proportion equation
2,079,351.40 : 3,119,027.10 = 1,183,556.20 : x - Step 2: Convert to fraction form
2,079,351.40/3,119,027.10 = 1,183,556.20/x - Step 3: Cross multiply
2,079,351.40x = 3,119,027.10 × 1,183,556.20 - Step 4: Simplify right side
2,079,351.40x = 3,691,543,862,173.02 - Step 5: Solve for x
x = 3,691,543,862,173.02/2,079,351.40 - Step 6: Final answer
x = 1,775,334.30
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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.