Finding the Fourth Proportional to 2,474,583.20, 3,707,209.20 and 1,272,413.60
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Solution
The fourth proportional to 2,474,583.20, 3,707,209.20 and 1,272,413.60 is: 1,906,221.38
Step by Step Solution
- Step 1: Write the proportion equation
2,474,583.20 : 3,707,209.20 = 1,272,413.60 : x - Step 2: Convert to fraction form
2,474,583.20/3,707,209.20 = 1,272,413.60/x - Step 3: Cross multiply
2,474,583.20x = 3,707,209.20 × 1,272,413.60 - Step 4: Simplify right side
2,474,583.20x = 4,717,103,404,125.12 - Step 5: Solve for x
x = 4,717,103,404,125.12/2,474,583.20 - Step 6: Final answer
x = 1,906,221.38
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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.