Finding the Fourth Proportional to 5,101,551.56, 7,040,638.42 and 3,810,149.94
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Solution
The fourth proportional to 5,101,551.56, 7,040,638.42 and 3,810,149.94 is: 5,258,378.31
Step by Step Solution
- Step 1: Write the proportion equation
5,101,551.56 : 7,040,638.42 = 3,810,149.94 : x - Step 2: Convert to fraction form
5,101,551.56/7,040,638.42 = 3,810,149.94/x - Step 3: Cross multiply
5,101,551.56x = 7,040,638.42 × 3,810,149.94 - Step 4: Simplify right side
5,101,551.56x = 26,825,888,053,524.70 - Step 5: Solve for x
x = 26,825,888,053,524.70/5,101,551.56 - Step 6: Final answer
x = 5,258,378.31
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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.