Finding the Fourth Proportional to 6,473,879.74, 8,932,620.38 and 3,720,035.12
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Solution
The fourth proportional to 6,473,879.74, 8,932,620.38 and 3,720,035.12 is: 5,132,882.12
Step by Step Solution
- Step 1: Write the proportion equation
6,473,879.74 : 8,932,620.38 = 3,720,035.12 : x - Step 2: Convert to fraction form
6,473,879.74/8,932,620.38 = 3,720,035.12/x - Step 3: Cross multiply
6,473,879.74x = 8,932,620.38 × 3,720,035.12 - Step 4: Simplify right side
6,473,879.74x = 33,229,661,527,227.75 - Step 5: Solve for x
x = 33,229,661,527,227.75/6,473,879.74 - Step 6: Final answer
x = 5,132,882.12
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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.