Finding the Fourth Proportional to 2,044,574.40, 2,822,221.29 and 1,402,121.28
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Solution
The fourth proportional to 2,044,574.40, 2,822,221.29 and 1,402,121.28 is: 1,935,413.32
Step by Step Solution
- Step 1: Write the proportion equation
2,044,574.40 : 2,822,221.29 = 1,402,121.28 : x - Step 2: Convert to fraction form
2,044,574.40/2,822,221.29 = 1,402,121.28/x - Step 3: Cross multiply
2,044,574.40x = 2,822,221.29 × 1,402,121.28 - Step 4: Simplify right side
2,044,574.40x = 3,957,096,527,578.05 - Step 5: Solve for x
x = 3,957,096,527,578.05/2,044,574.40 - Step 6: Final answer
x = 1,935,413.32
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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.