Finding the Fourth Proportional to 5,088,115.74, 7,021,604.97 and 2,796,227.22
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Solution
The fourth proportional to 5,088,115.74, 7,021,604.97 and 2,796,227.22 is: 3,858,796.45
Step by Step Solution
- Step 1: Write the proportion equation
5,088,115.74 : 7,021,604.97 = 2,796,227.22 : x - Step 2: Convert to fraction form
5,088,115.74/7,021,604.97 = 2,796,227.22/x - Step 3: Cross multiply
5,088,115.74x = 7,021,604.97 × 2,796,227.22 - Step 4: Simplify right side
5,088,115.74x = 19,634,002,945,201.29 - Step 5: Solve for x
x = 19,634,002,945,201.29/5,088,115.74 - Step 6: Final answer
x = 3,858,796.45
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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.