Finding the Fourth Proportional to 5,568,496.14, 7,684,735.91 and 3,121,152.42
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Solution
The fourth proportional to 5,568,496.14, 7,684,735.91 and 3,121,152.42 is: 4,307,308.74
Step by Step Solution
- Step 1: Write the proportion equation
5,568,496.14 : 7,684,735.91 = 3,121,152.42 : x - Step 2: Convert to fraction form
5,568,496.14/7,684,735.91 = 3,121,152.42/x - Step 3: Cross multiply
5,568,496.14x = 7,684,735.91 × 3,121,152.42 - Step 4: Simplify right side
5,568,496.14x = 23,985,232,066,951.64 - Step 5: Solve for x
x = 23,985,232,066,951.64/5,568,496.14 - Step 6: Final answer
x = 4,307,308.74
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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.