Finding the Fourth Proportional to 3,704,942.40, 5,557,413.60 and 2,507,438.40
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Solution
The fourth proportional to 3,704,942.40, 5,557,413.60 and 2,507,438.40 is: 3,761,157.60
Step by Step Solution
- Step 1: Write the proportion equation
3,704,942.40 : 5,557,413.60 = 2,507,438.40 : x - Step 2: Convert to fraction form
3,704,942.40/5,557,413.60 = 2,507,438.40/x - Step 3: Cross multiply
3,704,942.40x = 5,557,413.60 × 2,507,438.40 - Step 4: Simplify right side
3,704,942.40x = 13,934,872,265,322.24 - Step 5: Solve for x
x = 13,934,872,265,322.24/3,704,942.40 - Step 6: Final answer
x = 3,761,157.60
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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.