Finding the Fourth Proportional to 3,514,105.60, 5,276,988.48 and 2,192,807.68
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Solution
The fourth proportional to 3,514,105.60, 5,276,988.48 and 2,192,807.68 is: 3,292,849.50
Step by Step Solution
- Step 1: Write the proportion equation
3,514,105.60 : 5,276,988.48 = 2,192,807.68 : x - Step 2: Convert to fraction form
3,514,105.60/5,276,988.48 = 2,192,807.68/x - Step 3: Cross multiply
3,514,105.60x = 5,276,988.48 × 2,192,807.68 - Step 4: Simplify right side
3,514,105.60x = 11,571,420,866,215.53 - Step 5: Solve for x
x = 11,571,420,866,215.53/3,514,105.60 - Step 6: Final answer
x = 3,292,849.50
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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.