Finding the Fourth Proportional to 4,082,665.20, 6,126,330.60 and 1,560,130.80
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Solution
The fourth proportional to 4,082,665.20, 6,126,330.60 and 1,560,130.80 is: 2,341,087.65
Step by Step Solution
- Step 1: Write the proportion equation
4,082,665.20 : 6,126,330.60 = 1,560,130.80 : x - Step 2: Convert to fraction form
4,082,665.20/6,126,330.60 = 1,560,130.80/x - Step 3: Cross multiply
4,082,665.20x = 6,126,330.60 × 1,560,130.80 - Step 4: Simplify right side
4,082,665.20x = 9,557,877,060,042.48 - Step 5: Solve for x
x = 9,557,877,060,042.48/4,082,665.20 - Step 6: Final answer
x = 2,341,087.65
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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.