Finding the Fourth Proportional to 3,853,163.84, 5,315,350.08 and 2,382,602.24
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Solution
The fourth proportional to 3,853,163.84, 5,315,350.08 and 2,382,602.24 is: 3,286,744.49
Step by Step Solution
- Step 1: Write the proportion equation
3,853,163.84 : 5,315,350.08 = 2,382,602.24 : x - Step 2: Convert to fraction form
3,853,163.84/5,315,350.08 = 2,382,602.24/x - Step 3: Cross multiply
3,853,163.84x = 5,315,350.08 × 2,382,602.24 - Step 4: Simplify right side
3,853,163.84x = 12,664,365,006,992.18 - Step 5: Solve for x
x = 12,664,365,006,992.18/3,853,163.84 - Step 6: Final answer
x = 3,286,744.49
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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.