Finding the Fourth Proportional to 1,338,361.98, 1,836,694.70 and 1,328,914.14
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Solution
The fourth proportional to 1,338,361.98, 1,836,694.70 and 1,328,914.14 is: 1,823,729.00
Step by Step Solution
- Step 1: Write the proportion equation
1,338,361.98 : 1,836,694.70 = 1,328,914.14 : x - Step 2: Convert to fraction form
1,338,361.98/1,836,694.70 = 1,328,914.14/x - Step 3: Cross multiply
1,338,361.98x = 1,836,694.70 × 1,328,914.14 - Step 4: Simplify right side
1,338,361.98x = 2,440,809,551,048.49 - Step 5: Solve for x
x = 2,440,809,551,048.49/1,338,361.98 - Step 6: Final answer
x = 1,823,729.00
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.