Finding the Fourth Proportional to 4,024,486.88, 5,553,287.79 and 2,720,575.97
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Solution
The fourth proportional to 4,024,486.88, 5,553,287.79 and 2,720,575.97 is: 3,754,054.06
Step by Step Solution
- Step 1: Write the proportion equation
4,024,486.88 : 5,553,287.79 = 2,720,575.97 : x - Step 2: Convert to fraction form
4,024,486.88/5,553,287.79 = 2,720,575.97/x - Step 3: Cross multiply
4,024,486.88x = 5,553,287.79 × 2,720,575.97 - Step 4: Simplify right side
4,024,486.88x = 15,108,141,288,201.97 - Step 5: Solve for x
x = 15,108,141,288,201.97/4,024,486.88 - Step 6: Final answer
x = 3,754,054.06
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.