Finding the Fourth Proportional to 4,906,177.70, 7,359,266.55 and 2,780,413.70
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Solution
The fourth proportional to 4,906,177.70, 7,359,266.55 and 2,780,413.70 is: 4,170,620.55
Step by Step Solution
- Step 1: Write the proportion equation
4,906,177.70 : 7,359,266.55 = 2,780,413.70 : x - Step 2: Convert to fraction form
4,906,177.70/7,359,266.55 = 2,780,413.70/x - Step 3: Cross multiply
4,906,177.70x = 7,359,266.55 × 2,780,413.70 - Step 4: Simplify right side
4,906,177.70x = 20,461,805,537,571.73 - Step 5: Solve for x
x = 20,461,805,537,571.73/4,906,177.70 - Step 6: Final answer
x = 4,170,620.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.