Finding the Fourth Proportional to 1,135,314.36, 1,545,746.22 and 1,131,771.42
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Solution
The fourth proportional to 1,135,314.36, 1,545,746.22 and 1,131,771.42 is: 1,540,922.46
Step by Step Solution
- Step 1: Write the proportion equation
1,135,314.36 : 1,545,746.22 = 1,131,771.42 : x - Step 2: Convert to fraction form
1,135,314.36/1,545,746.22 = 1,131,771.42/x - Step 3: Cross multiply
1,135,314.36x = 1,545,746.22 × 1,131,771.42 - Step 4: Simplify right side
1,135,314.36x = 1,749,431,394,369.03 - Step 5: Solve for x
x = 1,749,431,394,369.03/1,135,314.36 - Step 6: Final answer
x = 1,540,922.46
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.