Finding the Fourth Proportional to 2,609,163.36, 3,915,081 and 1,189,036.80
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Solution
The fourth proportional to 2,609,163.36, 3,915,081 and 1,189,036.80 is: 1,784,164.02
Step by Step Solution
- Step 1: Write the proportion equation
2,609,163.36 : 3,915,081 = 1,189,036.80 : x - Step 2: Convert to fraction form
2,609,163.36/3,915,081 = 1,189,036.80/x - Step 3: Cross multiply
2,609,163.36x = 3,915,081 × 1,189,036.80 - Step 4: Simplify right side
2,609,163.36x = 4,655,175,383,980.80 - Step 5: Solve for x
x = 4,655,175,383,980.80/2,609,163.36 - Step 6: Final answer
x = 1,784,164.02
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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.