Finding the Fourth Proportional to 6,867,774.38, 9,477,505.20 and 3,770,220.62
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Solution
The fourth proportional to 6,867,774.38, 9,477,505.20 and 3,770,220.62 is: 5,202,891.59
Step by Step Solution
- Step 1: Write the proportion equation
6,867,774.38 : 9,477,505.20 = 3,770,220.62 : x - Step 2: Convert to fraction form
6,867,774.38/9,477,505.20 = 3,770,220.62/x - Step 3: Cross multiply
6,867,774.38x = 9,477,505.20 × 3,770,220.62 - Step 4: Simplify right side
6,867,774.38x = 35,732,285,531,197.22 - Step 5: Solve for x
x = 35,732,285,531,197.22/6,867,774.38 - Step 6: Final answer
x = 5,202,891.59
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1.5x scale
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.