Finding the Fourth Proportional to 3,762,188.36, 5,193,405.28 and 2,540,147.42
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Solution
The fourth proportional to 3,762,188.36, 5,193,405.28 and 2,540,147.42 is: 3,506,473.83
Step by Step Solution
- Step 1: Write the proportion equation
3,762,188.36 : 5,193,405.28 = 2,540,147.42 : x - Step 2: Convert to fraction form
3,762,188.36/5,193,405.28 = 2,540,147.42/x - Step 3: Cross multiply
3,762,188.36x = 5,193,405.28 × 2,540,147.42 - Step 4: Simplify right side
3,762,188.36x = 13,192,015,023,006.38 - Step 5: Solve for x
x = 13,192,015,023,006.38/3,762,188.36 - Step 6: Final answer
x = 3,506,473.83
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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.