Finding the Fourth Proportional to 5,380,550.19, 7,425,097.81 and 2,933,107.25
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Solution
The fourth proportional to 5,380,550.19, 7,425,097.81 and 2,933,107.25 is: 4,047,654.50
Step by Step Solution
- Step 1: Write the proportion equation
5,380,550.19 : 7,425,097.81 = 2,933,107.25 : x - Step 2: Convert to fraction form
5,380,550.19/7,425,097.81 = 2,933,107.25/x - Step 3: Cross multiply
5,380,550.19x = 7,425,097.81 × 2,933,107.25 - Step 4: Simplify right side
5,380,550.19x = 21,778,608,174,011.87 - Step 5: Solve for x
x = 21,778,608,174,011.87/5,380,550.19 - Step 6: Final answer
x = 4,047,654.50
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Double scale
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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.