Finding the Fourth Proportional to 5,157,396.06, 7,117,208.04 and 2,865,556.74
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Solution
The fourth proportional to 5,157,396.06, 7,117,208.04 and 2,865,556.74 is: 3,954,469.12
Step by Step Solution
- Step 1: Write the proportion equation
5,157,396.06 : 7,117,208.04 = 2,865,556.74 : x - Step 2: Convert to fraction form
5,157,396.06/7,117,208.04 = 2,865,556.74/x - Step 3: Cross multiply
5,157,396.06x = 7,117,208.04 × 2,865,556.74 - Step 4: Simplify right side
5,157,396.06x = 20,394,763,433,418.15 - Step 5: Solve for x
x = 20,394,763,433,418.15/5,157,396.06 - Step 6: Final answer
x = 3,954,469.12
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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.