Finding the Fourth Proportional to 6,796,128.63, 9,378,723.74 and 3,740,413.35
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Solution
The fourth proportional to 6,796,128.63, 9,378,723.74 and 3,740,413.35 is: 5,161,806.87
Step by Step Solution
- Step 1: Write the proportion equation
6,796,128.63 : 9,378,723.74 = 3,740,413.35 : x - Step 2: Convert to fraction form
6,796,128.63/9,378,723.74 = 3,740,413.35/x - Step 3: Cross multiply
6,796,128.63x = 9,378,723.74 × 3,740,413.35 - Step 4: Simplify right side
6,796,128.63x = 35,080,303,464,355.86 - Step 5: Solve for x
x = 35,080,303,464,355.86/6,796,128.63 - Step 6: Final answer
x = 5,161,806.87
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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.