Finding the Fourth Proportional to 3,752,425.40, 5,178,351.47 and 2,033,545.91
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Solution
The fourth proportional to 3,752,425.40, 5,178,351.47 and 2,033,545.91 is: 2,806,295.76
Step by Step Solution
- Step 1: Write the proportion equation
3,752,425.40 : 5,178,351.47 = 2,033,545.91 : x - Step 2: Convert to fraction form
3,752,425.40/5,178,351.47 = 2,033,545.91/x - Step 3: Cross multiply
3,752,425.40x = 5,178,351.47 × 2,033,545.91 - Step 4: Simplify right side
3,752,425.40x = 10,530,415,470,390.73 - Step 5: Solve for x
x = 10,530,415,470,390.73/3,752,425.40 - Step 6: Final answer
x = 2,806,295.76
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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.