Finding the Fourth Proportional to 5,634,324.86, 8,452,164.13 and 1,990,306.43
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Solution
The fourth proportional to 5,634,324.86, 8,452,164.13 and 1,990,306.43 is: 2,985,698.74
Step by Step Solution
- Step 1: Write the proportion equation
5,634,324.86 : 8,452,164.13 = 1,990,306.43 : x - Step 2: Convert to fraction form
5,634,324.86/8,452,164.13 = 1,990,306.43/x - Step 3: Cross multiply
5,634,324.86x = 8,452,164.13 × 1,990,306.43 - Step 4: Simplify right side
5,634,324.86x = 16,822,396,631,509 - Step 5: Solve for x
x = 16,822,396,631,509/5,634,324.86 - Step 6: Final answer
x = 2,985,698.74
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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.