Finding the Fourth Proportional to 3,848,883.99, 5,774,608.56 and 1,290,351.87
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Solution
The fourth proportional to 3,848,883.99, 5,774,608.56 and 1,290,351.87 is: 1,935,957.80
Step by Step Solution
- Step 1: Write the proportion equation
3,848,883.99 : 5,774,608.56 = 1,290,351.87 : x - Step 2: Convert to fraction form
3,848,883.99/5,774,608.56 = 1,290,351.87/x - Step 3: Cross multiply
3,848,883.99x = 5,774,608.56 × 1,290,351.87 - Step 4: Simplify right side
3,848,883.99x = 7,451,276,958,752.83 - Step 5: Solve for x
x = 7,451,276,958,752.83/3,848,883.99 - Step 6: Final answer
x = 1,935,957.80
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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.