Finding the Fourth Proportional to 1,585,771.62, 2,188,048.25 and 965,161.10
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Solution
The fourth proportional to 1,585,771.62, 2,188,048.25 and 965,161.10 is: 1,331,729.62
Step by Step Solution
- Step 1: Write the proportion equation
1,585,771.62 : 2,188,048.25 = 965,161.10 : x - Step 2: Convert to fraction form
1,585,771.62/2,188,048.25 = 965,161.10/x - Step 3: Cross multiply
1,585,771.62x = 2,188,048.25 × 965,161.10 - Step 4: Simplify right side
1,585,771.62x = 2,111,819,040,057.03 - Step 5: Solve for x
x = 2,111,819,040,057.03/1,585,771.62 - Step 6: Final answer
x = 1,331,729.62
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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.