Finding the Fourth Proportional to 4,135,393.78, 5,707,104.70 and 2,324,674.42
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Solution
The fourth proportional to 4,135,393.78, 5,707,104.70 and 2,324,674.42 is: 3,208,197.58
Step by Step Solution
- Step 1: Write the proportion equation
4,135,393.78 : 5,707,104.70 = 2,324,674.42 : x - Step 2: Convert to fraction form
4,135,393.78/5,707,104.70 = 2,324,674.42/x - Step 3: Cross multiply
4,135,393.78x = 5,707,104.70 × 2,324,674.42 - Step 4: Simplify right side
4,135,393.78x = 13,267,160,308,351.77 - Step 5: Solve for x
x = 13,267,160,308,351.77/4,135,393.78 - Step 6: Final answer
x = 3,208,197.58
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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.