Finding the Fourth Proportional to 7,147,753.36, 10,726,944.36 and 2,887,958.44
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Solution
The fourth proportional to 7,147,753.36, 10,726,944.36 and 2,887,958.44 is: 4,334,084.84
Step by Step Solution
- Step 1: Write the proportion equation
7,147,753.36 : 10,726,944.36 = 2,887,958.44 : x - Step 2: Convert to fraction form
7,147,753.36/10,726,944.36 = 2,887,958.44/x - Step 3: Cross multiply
7,147,753.36x = 10,726,944.36 × 2,887,958.44 - Step 4: Simplify right side
7,147,753.36x = 30,978,969,499,872.39 - Step 5: Solve for x
x = 30,978,969,499,872.39/7,147,753.36 - Step 6: Final answer
x = 4,334,084.84
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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.