Finding the Fourth Proportional to 2,338,121.40, 3,226,283.82 and 1,305,503.16
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Solution
The fourth proportional to 2,338,121.40, 3,226,283.82 and 1,305,503.16 is: 1,801,413.61
Step by Step Solution
- Step 1: Write the proportion equation
2,338,121.40 : 3,226,283.82 = 1,305,503.16 : x - Step 2: Convert to fraction form
2,338,121.40/3,226,283.82 = 1,305,503.16/x - Step 3: Cross multiply
2,338,121.40x = 3,226,283.82 × 1,305,503.16 - Step 4: Simplify right side
2,338,121.40x = 4,211,923,722,066.87 - Step 5: Solve for x
x = 4,211,923,722,066.87/2,338,121.40 - Step 6: Final answer
x = 1,801,413.61
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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.