Finding the Fourth Proportional to 2,757,125.40, 4,135,817.70 and 863,928.60
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Solution
The fourth proportional to 2,757,125.40, 4,135,817.70 and 863,928.60 is: 1,295,933.51
Step by Step Solution
- Step 1: Write the proportion equation
2,757,125.40 : 4,135,817.70 = 863,928.60 : x - Step 2: Convert to fraction form
2,757,125.40/4,135,817.70 = 863,928.60/x - Step 3: Cross multiply
2,757,125.40x = 4,135,817.70 × 863,928.60 - Step 4: Simplify right side
2,757,125.40x = 3,573,051,195,416.22 - Step 5: Solve for x
x = 3,573,051,195,416.22/2,757,125.40 - Step 6: Final answer
x = 1,295,933.51
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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.