Finding the Fourth Proportional to 4,151,877.99, 5,729,733.57 and 2,409,413.15
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Solution
The fourth proportional to 4,151,877.99, 5,729,733.57 and 2,409,413.15 is: 3,325,072.51
Step by Step Solution
- Step 1: Write the proportion equation
4,151,877.99 : 5,729,733.57 = 2,409,413.15 : x - Step 2: Convert to fraction form
4,151,877.99/5,729,733.57 = 2,409,413.15/x - Step 3: Cross multiply
4,151,877.99x = 5,729,733.57 × 2,409,413.15 - Step 4: Simplify right side
4,151,877.99x = 13,805,295,380,905.78 - Step 5: Solve for x
x = 13,805,295,380,905.78/4,151,877.99 - Step 6: Final answer
x = 3,325,072.51
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1.5x scale
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.