Finding the Fourth Proportional to 5,776,372.44, 7,971,687.90 and 3,198,336.84
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Solution
The fourth proportional to 5,776,372.44, 7,971,687.90 and 3,198,336.84 is: 4,413,867.59
Step by Step Solution
- Step 1: Write the proportion equation
5,776,372.44 : 7,971,687.90 = 3,198,336.84 : x - Step 2: Convert to fraction form
5,776,372.44/7,971,687.90 = 3,198,336.84/x - Step 3: Cross multiply
5,776,372.44x = 7,971,687.90 × 3,198,336.84 - Step 4: Simplify right side
5,776,372.44x = 25,496,143,087,552.23 - Step 5: Solve for x
x = 25,496,143,087,552.23/5,776,372.44 - Step 6: Final answer
x = 4,413,867.59
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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.