Finding the Fourth Proportional to 5,468,480.80, 8,201,943.60 and 1,874,413.60
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Solution
The fourth proportional to 5,468,480.80, 8,201,943.60 and 1,874,413.60 is: 2,811,353.86
Step by Step Solution
- Step 1: Write the proportion equation
5,468,480.80 : 8,201,943.60 = 1,874,413.60 : x - Step 2: Convert to fraction form
5,468,480.80/8,201,943.60 = 1,874,413.60/x - Step 3: Cross multiply
5,468,480.80x = 8,201,943.60 × 1,874,413.60 - Step 4: Simplify right side
5,468,480.80x = 15,373,834,630,272.96 - Step 5: Solve for x
x = 15,373,834,630,272.96/5,468,480.80 - Step 6: Final answer
x = 2,811,353.86
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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.