Finding the Fourth Proportional to 2,086,065.19, 2,878,276.57 and 1,180,647.19
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Solution
The fourth proportional to 2,086,065.19, 2,878,276.57 and 1,180,647.19 is: 1,629,013.88
Step by Step Solution
- Step 1: Write the proportion equation
2,086,065.19 : 2,878,276.57 = 1,180,647.19 : x - Step 2: Convert to fraction form
2,086,065.19/2,878,276.57 = 1,180,647.19/x - Step 3: Cross multiply
2,086,065.19x = 2,878,276.57 × 1,180,647.19 - Step 4: Simplify right side
2,086,065.19x = 3,398,229,144,413.34 - Step 5: Solve for x
x = 3,398,229,144,413.34/2,086,065.19 - Step 6: Final answer
x = 1,629,013.88
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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.