Finding the Fourth Proportional to 3,560,088.80, 4,912,945.97 and 1,928,496.08
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Solution
The fourth proportional to 3,560,088.80, 4,912,945.97 and 1,928,496.08 is: 2,661,337.27
Step by Step Solution
- Step 1: Write the proportion equation
3,560,088.80 : 4,912,945.97 = 1,928,496.08 : x - Step 2: Convert to fraction form
3,560,088.80/4,912,945.97 = 1,928,496.08/x - Step 3: Cross multiply
3,560,088.80x = 4,912,945.97 × 1,928,496.08 - Step 4: Simplify right side
3,560,088.80x = 9,474,597,010,189.59 - Step 5: Solve for x
x = 9,474,597,010,189.59/3,560,088.80 - Step 6: Final answer
x = 2,661,337.27
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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.