Finding the Fourth Proportional to 1,751,424.12, 2,416,413.87 and 1,382,739.66
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Solution
The fourth proportional to 1,751,424.12, 2,416,413.87 and 1,382,739.66 is: 1,907,745.39
Step by Step Solution
- Step 1: Write the proportion equation
1,751,424.12 : 2,416,413.87 = 1,382,739.66 : x - Step 2: Convert to fraction form
1,751,424.12/2,416,413.87 = 1,382,739.66/x - Step 3: Cross multiply
1,751,424.12x = 2,416,413.87 × 1,382,739.66 - Step 4: Simplify right side
1,751,424.12x = 3,341,271,293,023.08 - Step 5: Solve for x
x = 3,341,271,293,023.08/1,751,424.12 - Step 6: Final answer
x = 1,907,745.39
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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.