Finding the Fourth Proportional to 3,256,378.09, 4,883,881.42 and 2,100,161.31
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Solution
The fourth proportional to 3,256,378.09, 4,883,881.42 and 2,100,161.31 is: 3,149,799.72
Step by Step Solution
- Step 1: Write the proportion equation
3,256,378.09 : 4,883,881.42 = 2,100,161.31 : x - Step 2: Convert to fraction form
3,256,378.09/4,883,881.42 = 2,100,161.31/x - Step 3: Cross multiply
3,256,378.09x = 4,883,881.42 × 2,100,161.31 - Step 4: Simplify right side
3,256,378.09x = 10,256,938,795,661.46 - Step 5: Solve for x
x = 10,256,938,795,661.46/3,256,378.09 - Step 6: Final answer
x = 3,149,799.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.