Finding the Fourth Proportional to 1,441,881.21, 2,162,944.84 and 376,921.56
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Solution
The fourth proportional to 1,441,881.21, 2,162,944.84 and 376,921.56 is: 565,414.50
Step by Step Solution
- Step 1: Write the proportion equation
1,441,881.21 : 2,162,944.84 = 376,921.56 : x - Step 2: Convert to fraction form
1,441,881.21/2,162,944.84 = 376,921.56/x - Step 3: Cross multiply
1,441,881.21x = 2,162,944.84 × 376,921.56 - Step 4: Simplify right side
1,441,881.21x = 815,260,543,286.75 - Step 5: Solve for x
x = 815,260,543,286.75/1,441,881.21 - Step 6: Final answer
x = 565,414.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.