Finding the Fourth Proportional to 3,467,383.36, 5,198,860.70 and 1,666,684.12
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Solution
The fourth proportional to 3,467,383.36, 5,198,860.70 and 1,666,684.12 is: 2,498,961.80
Step by Step Solution
- Step 1: Write the proportion equation
3,467,383.36 : 5,198,860.70 = 1,666,684.12 : x - Step 2: Convert to fraction form
3,467,383.36/5,198,860.70 = 1,666,684.12/x - Step 3: Cross multiply
3,467,383.36x = 5,198,860.70 × 1,666,684.12 - Step 4: Simplify right side
3,467,383.36x = 8,664,858,570,782.09 - Step 5: Solve for x
x = 8,664,858,570,782.09/3,467,383.36 - Step 6: Final answer
x = 2,498,961.80
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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.