Finding the Fourth Proportional to 4,007,413.92, 5,530,798.20 and 2,480,013.12
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Solution
The fourth proportional to 4,007,413.92, 5,530,798.20 and 2,480,013.12 is: 3,422,768.99
Step by Step Solution
- Step 1: Write the proportion equation
4,007,413.92 : 5,530,798.20 = 2,480,013.12 : x - Step 2: Convert to fraction form
4,007,413.92/5,530,798.20 = 2,480,013.12/x - Step 3: Cross multiply
4,007,413.92x = 5,530,798.20 × 2,480,013.12 - Step 4: Simplify right side
4,007,413.92x = 13,716,452,100,072.38 - Step 5: Solve for x
x = 13,716,452,100,072.38/4,007,413.92 - Step 6: Final answer
x = 3,422,768.99
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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.