Finding the Fourth Proportional to 1,107,330.20, 1,660,995.30 and 930,183.20
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Solution
The fourth proportional to 1,107,330.20, 1,660,995.30 and 930,183.20 is: 1,395,274.80
Step by Step Solution
- Step 1: Write the proportion equation
1,107,330.20 : 1,660,995.30 = 930,183.20 : x - Step 2: Convert to fraction form
1,107,330.20/1,660,995.30 = 930,183.20/x - Step 3: Cross multiply
1,107,330.20x = 1,660,995.30 × 930,183.20 - Step 4: Simplify right side
1,107,330.20x = 1,545,029,923,338.96 - Step 5: Solve for x
x = 1,545,029,923,338.96/1,107,330.20 - Step 6: Final answer
x = 1,395,274.80
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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.