Finding the Fourth Proportional to 5,183,285.52, 7,777,291.32 and 2,660,713.68
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Solution
The fourth proportional to 5,183,285.52, 7,777,291.32 and 2,660,713.68 is: 3,992,283.53
Step by Step Solution
- Step 1: Write the proportion equation
5,183,285.52 : 7,777,291.32 = 2,660,713.68 : x - Step 2: Convert to fraction form
5,183,285.52/7,777,291.32 = 2,660,713.68/x - Step 3: Cross multiply
5,183,285.52x = 7,777,291.32 × 2,660,713.68 - Step 4: Simplify right side
5,183,285.52x = 20,693,145,408,469.26 - Step 5: Solve for x
x = 20,693,145,408,469.26/5,183,285.52 - Step 6: Final answer
x = 3,992,283.53
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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.