Finding the Fourth Proportional to 7,275,514.80, 10,913,272.20 and 2,481,610.80
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Solution
The fourth proportional to 7,275,514.80, 10,913,272.20 and 2,481,610.80 is: 3,722,416.20
Step by Step Solution
- Step 1: Write the proportion equation
7,275,514.80 : 10,913,272.20 = 2,481,610.80 : x - Step 2: Convert to fraction form
7,275,514.80/10,913,272.20 = 2,481,610.80/x - Step 3: Cross multiply
7,275,514.80x = 10,913,272.20 × 2,481,610.80 - Step 4: Simplify right side
7,275,514.80x = 27,082,494,154,859.76 - Step 5: Solve for x
x = 27,082,494,154,859.76/7,275,514.80 - Step 6: Final answer
x = 3,722,416.20
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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.