Finding the Fourth Proportional to 3,946,294.99, 5,445,903.48 and 2,135,458.99
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Solution
The fourth proportional to 3,946,294.99, 5,445,903.48 and 2,135,458.99 is: 2,946,942.28
Step by Step Solution
- Step 1: Write the proportion equation
3,946,294.99 : 5,445,903.48 = 2,135,458.99 : x - Step 2: Convert to fraction form
3,946,294.99/5,445,903.48 = 2,135,458.99/x - Step 3: Cross multiply
3,946,294.99x = 5,445,903.48 × 2,135,458.99 - Step 4: Simplify right side
3,946,294.99x = 11,629,503,543,837.69 - Step 5: Solve for x
x = 11,629,503,543,837.69/3,946,294.99 - Step 6: Final answer
x = 2,946,942.28
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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.