Finding the Fourth Proportional to 3,347,413.98, 4,619,412.63 and 1,897,383.57
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Solution
The fourth proportional to 3,347,413.98, 4,619,412.63 and 1,897,383.57 is: 2,618,378.75
Step by Step Solution
- Step 1: Write the proportion equation
3,347,413.98 : 4,619,412.63 = 1,897,383.57 : x - Step 2: Convert to fraction form
3,347,413.98/4,619,412.63 = 1,897,383.57/x - Step 3: Cross multiply
3,347,413.98x = 4,619,412.63 × 1,897,383.57 - Step 4: Simplify right side
3,347,413.98x = 8,764,797,627,212.49 - Step 5: Solve for x
x = 8,764,797,627,212.49/3,347,413.98 - Step 6: Final answer
x = 2,618,378.75
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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.