Finding the Fourth Proportional to 1,682,413.07, 2,321,718.21 and 918,466.63
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Solution
The fourth proportional to 1,682,413.07, 2,321,718.21 and 918,466.63 is: 1,267,477.49
Step by Step Solution
- Step 1: Write the proportion equation
1,682,413.07 : 2,321,718.21 = 918,466.63 : x - Step 2: Convert to fraction form
1,682,413.07/2,321,718.21 = 918,466.63/x - Step 3: Cross multiply
1,682,413.07x = 2,321,718.21 × 918,466.63 - Step 4: Simplify right side
1,682,413.07x = 2,132,420,694,344.04 - Step 5: Solve for x
x = 2,132,420,694,344.04/1,682,413.07 - Step 6: Final answer
x = 1,267,477.49
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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.