Finding the Fourth Proportional to 2,297,362.68, 3,170,305.74 and 1,278,745.56
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Solution
The fourth proportional to 2,297,362.68, 3,170,305.74 and 1,278,745.56 is: 1,764,638.39
Step by Step Solution
- Step 1: Write the proportion equation
2,297,362.68 : 3,170,305.74 = 1,278,745.56 : x - Step 2: Convert to fraction form
2,297,362.68/3,170,305.74 = 1,278,745.56/x - Step 3: Cross multiply
2,297,362.68x = 3,170,305.74 × 1,278,745.56 - Step 4: Simplify right side
2,297,362.68x = 4,054,014,388,867.51 - Step 5: Solve for x
x = 4,054,014,388,867.51/2,297,362.68 - Step 6: Final answer
x = 1,764,638.39
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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.