Finding the Fourth Proportional to 1,338,361.05, 2,007,542.79 and 1,101,205.20
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Solution
The fourth proportional to 1,338,361.05, 2,007,542.79 and 1,101,205.20 is: 1,651,808.80
Step by Step Solution
- Step 1: Write the proportion equation
1,338,361.05 : 2,007,542.79 = 1,101,205.20 : x - Step 2: Convert to fraction form
1,338,361.05/2,007,542.79 = 1,101,205.20/x - Step 3: Cross multiply
1,338,361.05x = 2,007,542.79 × 1,101,205.20 - Step 4: Simplify right side
1,338,361.05x = 2,210,716,559,570.51 - Step 5: Solve for x
x = 2,210,716,559,570.51/1,338,361.05 - Step 6: Final answer
x = 1,651,808.80
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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.