Finding the Fourth Proportional to 3,425,351.58, 4,726,984.47 and 1,876,668.19
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Solution
The fourth proportional to 3,425,351.58, 4,726,984.47 and 1,876,668.19 is: 2,589,801.71
Step by Step Solution
- Step 1: Write the proportion equation
3,425,351.58 : 4,726,984.47 = 1,876,668.19 : x - Step 2: Convert to fraction form
3,425,351.58/4,726,984.47 = 1,876,668.19/x - Step 3: Cross multiply
3,425,351.58x = 4,726,984.47 × 1,876,668.19 - Step 4: Simplify right side
3,425,351.58x = 8,870,981,380,089.67 - Step 5: Solve for x
x = 8,870,981,380,089.67/3,425,351.58 - Step 6: Final answer
x = 2,589,801.71
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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.