Finding the Fourth Proportional to 1,704,481.93, 2,350,277.78 and 1,393,413.65
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Solution
The fourth proportional to 1,704,481.93, 2,350,277.78 and 1,393,413.65 is: 1,921,351.63
Step by Step Solution
- Step 1: Write the proportion equation
1,704,481.93 : 2,350,277.78 = 1,393,413.65 : x - Step 2: Convert to fraction form
1,704,481.93/2,350,277.78 = 1,393,413.65/x - Step 3: Cross multiply
1,704,481.93x = 2,350,277.78 × 1,393,413.65 - Step 4: Simplify right side
1,704,481.93x = 3,274,909,128,192.31 - Step 5: Solve for x
x = 3,274,909,128,192.31/1,704,481.93 - Step 6: Final answer
x = 1,921,351.63
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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.