Finding the Fourth Proportional to 3,542,866.05, 5,315,142.69 and 1,146,711.09
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Solution
The fourth proportional to 3,542,866.05, 5,315,142.69 and 1,146,711.09 is: 1,720,339.69
Step by Step Solution
- Step 1: Write the proportion equation
3,542,866.05 : 5,315,142.69 = 1,146,711.09 : x - Step 2: Convert to fraction form
3,542,866.05/5,315,142.69 = 1,146,711.09/x - Step 3: Cross multiply
3,542,866.05x = 5,315,142.69 × 1,146,711.09 - Step 4: Simplify right side
3,542,866.05x = 6,094,933,067,555.43 - Step 5: Solve for x
x = 6,094,933,067,555.43/3,542,866.05 - Step 6: Final answer
x = 1,720,339.69
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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.