Finding the Fourth Proportional to 3,230,744.94, 4,458,361.10 and 1,780,403.09
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Solution
The fourth proportional to 3,230,744.94, 4,458,361.10 and 1,780,403.09 is: 2,456,919.38
Step by Step Solution
- Step 1: Write the proportion equation
3,230,744.94 : 4,458,361.10 = 1,780,403.09 : x - Step 2: Convert to fraction form
3,230,744.94/4,458,361.10 = 1,780,403.09/x - Step 3: Cross multiply
3,230,744.94x = 4,458,361.10 × 1,780,403.09 - Step 4: Simplify right side
3,230,744.94x = 7,937,679,847,581.98 - Step 5: Solve for x
x = 7,937,679,847,581.98/3,230,744.94 - Step 6: Final answer
x = 2,456,919.38
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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.