Finding the Fourth Proportional to 3,177,401.75, 4,763,424.02 and 1,378,930.53
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Solution
The fourth proportional to 3,177,401.75, 4,763,424.02 and 1,378,930.53 is: 2,067,233.33
Step by Step Solution
- Step 1: Write the proportion equation
3,177,401.75 : 4,763,424.02 = 1,378,930.53 : x - Step 2: Convert to fraction form
3,177,401.75/4,763,424.02 = 1,378,930.53/x - Step 3: Cross multiply
3,177,401.75x = 4,763,424.02 × 1,378,930.53 - Step 4: Simplify right side
3,177,401.75x = 6,568,430,801,618.68 - Step 5: Solve for x
x = 6,568,430,801,618.68/3,177,401.75 - Step 6: Final answer
x = 2,067,233.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.