Finding the Fourth Proportional to 2,189,847.06, 3,000,040.29 and 2,107,974.09
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Solution
The fourth proportional to 2,189,847.06, 3,000,040.29 and 2,107,974.09 is: 2,887,876.20
Step by Step Solution
- Step 1: Write the proportion equation
2,189,847.06 : 3,000,040.29 = 2,107,974.09 : x - Step 2: Convert to fraction form
2,189,847.06/3,000,040.29 = 2,107,974.09/x - Step 3: Cross multiply
2,189,847.06x = 3,000,040.29 × 2,107,974.09 - Step 4: Simplify right side
2,189,847.06x = 6,324,007,200,276.09 - Step 5: Solve for x
x = 6,324,007,200,276.09/2,189,847.06 - Step 6: Final answer
x = 2,887,876.20
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.