Finding the Fourth Proportional to 3,670,166.20, 5,505,249.30 and 2,657,147.80
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Solution
The fourth proportional to 3,670,166.20, 5,505,249.30 and 2,657,147.80 is: 3,985,721.70
Step by Step Solution
- Step 1: Write the proportion equation
3,670,166.20 : 5,505,249.30 = 2,657,147.80 : x - Step 2: Convert to fraction form
3,670,166.20/5,505,249.30 = 2,657,147.80/x - Step 3: Cross multiply
3,670,166.20x = 5,505,249.30 × 2,657,147.80 - Step 4: Simplify right side
3,670,166.20x = 14,628,261,065,946.54 - Step 5: Solve for x
x = 14,628,261,065,946.54/3,670,166.20 - Step 6: Final answer
x = 3,985,721.70
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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.