Finding the Fourth Proportional to 5,783,432.26, 7,981,000.71 and 3,205,057.68
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Solution
The fourth proportional to 5,783,432.26, 7,981,000.71 and 3,205,057.68 is: 4,422,904.33
Step by Step Solution
- Step 1: Write the proportion equation
5,783,432.26 : 7,981,000.71 = 3,205,057.68 : x - Step 2: Convert to fraction form
5,783,432.26/7,981,000.71 = 3,205,057.68/x - Step 3: Cross multiply
5,783,432.26x = 7,981,000.71 × 3,205,057.68 - Step 4: Simplify right side
5,783,432.26x = 25,579,567,563,740.66 - Step 5: Solve for x
x = 25,579,567,563,740.66/5,783,432.26 - Step 6: Final answer
x = 4,422,904.33
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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.