Finding the Fourth Proportional to 2,190,693.36, 3,286,413.68 and 976,710.48
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Solution
The fourth proportional to 2,190,693.36, 3,286,413.68 and 976,710.48 is: 1,465,232.31
Step by Step Solution
- Step 1: Write the proportion equation
2,190,693.36 : 3,286,413.68 = 976,710.48 : x - Step 2: Convert to fraction form
2,190,693.36/3,286,413.68 = 976,710.48/x - Step 3: Cross multiply
2,190,693.36x = 3,286,413.68 × 976,710.48 - Step 4: Simplify right side
2,190,693.36x = 3,209,874,682,871.37 - Step 5: Solve for x
x = 3,209,874,682,871.37/2,190,693.36 - Step 6: Final answer
x = 1,465,232.31
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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.