Finding the Fourth Proportional to 2,082,318.80, 3,121,404.60 and 958,427.60
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Solution
The fourth proportional to 2,082,318.80, 3,121,404.60 and 958,427.60 is: 1,436,686.99
Step by Step Solution
- Step 1: Write the proportion equation
2,082,318.80 : 3,121,404.60 = 958,427.60 : x - Step 2: Convert to fraction form
2,082,318.80/3,121,404.60 = 958,427.60/x - Step 3: Cross multiply
2,082,318.80x = 3,121,404.60 × 958,427.60 - Step 4: Simplify right side
2,082,318.80x = 2,991,640,319,406.96 - Step 5: Solve for x
x = 2,991,640,319,406.96/2,082,318.80 - Step 6: Final answer
x = 1,436,686.99
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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.