Finding the Fourth Proportional to 5,088,767.76, 7,022,553.75 and 2,765,660.25
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Solution
The fourth proportional to 5,088,767.76, 7,022,553.75 and 2,765,660.25 is: 3,816,640.62
Step by Step Solution
- Step 1: Write the proportion equation
5,088,767.76 : 7,022,553.75 = 2,765,660.25 : x - Step 2: Convert to fraction form
5,088,767.76/7,022,553.75 = 2,765,660.25/x - Step 3: Cross multiply
5,088,767.76x = 7,022,553.75 × 2,765,660.25 - Step 4: Simplify right side
5,088,767.76x = 19,421,997,759,863.44 - Step 5: Solve for x
x = 19,421,997,759,863.44/5,088,767.76 - Step 6: Final answer
x = 3,816,640.62
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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.