Finding the Fourth Proportional to 2,449,015.44, 3,381,289.56 and 2,190,087.60
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Solution
The fourth proportional to 2,449,015.44, 3,381,289.56 and 2,190,087.60 is: 3,023,794.88
Step by Step Solution
- Step 1: Write the proportion equation
2,449,015.44 : 3,381,289.56 = 2,190,087.60 : x - Step 2: Convert to fraction form
2,449,015.44/3,381,289.56 = 2,190,087.60/x - Step 3: Cross multiply
2,449,015.44x = 3,381,289.56 × 2,190,087.60 - Step 4: Simplify right side
2,449,015.44x = 7,405,320,337,365.46 - Step 5: Solve for x
x = 7,405,320,337,365.46/2,449,015.44 - Step 6: Final answer
x = 3,023,794.88
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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.