Finding the Fourth Proportional to 3,883,065.05, 5,823,329.87 and 1,288,672.92
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Solution
The fourth proportional to 3,883,065.05, 5,823,329.87 and 1,288,672.92 is: 1,932,588.67
Step by Step Solution
- Step 1: Write the proportion equation
3,883,065.05 : 5,823,329.87 = 1,288,672.92 : x - Step 2: Convert to fraction form
3,883,065.05/5,823,329.87 = 1,288,672.92/x - Step 3: Cross multiply
3,883,065.05x = 5,823,329.87 × 1,288,672.92 - Step 4: Simplify right side
3,883,065.05x = 7,504,367,510,917.80 - Step 5: Solve for x
x = 7,504,367,510,917.80/3,883,065.05 - Step 6: Final answer
x = 1,932,588.67
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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.