Finding the Fourth Proportional to 2,409,161.37, 3,324,735.74 and 1,321,478.79
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Solution
The fourth proportional to 2,409,161.37, 3,324,735.74 and 1,321,478.79 is: 1,823,691.77
Step by Step Solution
- Step 1: Write the proportion equation
2,409,161.37 : 3,324,735.74 = 1,321,478.79 : x - Step 2: Convert to fraction form
2,409,161.37/3,324,735.74 = 1,321,478.79/x - Step 3: Cross multiply
2,409,161.37x = 3,324,735.74 × 1,321,478.79 - Step 4: Simplify right side
2,409,161.37x = 4,393,567,756,157.56 - Step 5: Solve for x
x = 4,393,567,756,157.56/2,409,161.37 - Step 6: Final answer
x = 1,823,691.77
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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.