Finding the Fourth Proportional to 2,000,189.70, 2,760,268.74 and 1,082,418.62
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Solution
The fourth proportional to 2,000,189.70, 2,760,268.74 and 1,082,418.62 is: 1,493,741.45
Step by Step Solution
- Step 1: Write the proportion equation
2,000,189.70 : 2,760,268.74 = 1,082,418.62 : x - Step 2: Convert to fraction form
2,000,189.70/2,760,268.74 = 1,082,418.62/x - Step 3: Cross multiply
2,000,189.70x = 2,760,268.74 × 1,082,418.62 - Step 4: Simplify right side
2,000,189.70x = 2,987,766,266,578.60 - Step 5: Solve for x
x = 2,987,766,266,578.60/2,000,189.70 - Step 6: Final answer
x = 1,493,741.45
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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.