Finding the Fourth Proportional to 2,212,256.87, 3,052,919.53 and 1,232,188.05
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Solution
The fourth proportional to 2,212,256.87, 3,052,919.53 and 1,232,188.05 is: 1,700,422.32
Step by Step Solution
- Step 1: Write the proportion equation
2,212,256.87 : 3,052,919.53 = 1,232,188.05 : x - Step 2: Convert to fraction form
2,212,256.87/3,052,919.53 = 1,232,188.05/x - Step 3: Cross multiply
2,212,256.87x = 3,052,919.53 × 1,232,188.05 - Step 4: Simplify right side
2,212,256.87x = 3,761,770,962,477.62 - Step 5: Solve for x
x = 3,761,770,962,477.62/2,212,256.87 - Step 6: Final answer
x = 1,700,422.32
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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.