Finding the Fourth Proportional to 2,687,436.26, 3,708,662.04 and 1,480,212.26
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Solution
The fourth proportional to 2,687,436.26, 3,708,662.04 and 1,480,212.26 is: 2,042,692.92
Step by Step Solution
- Step 1: Write the proportion equation
2,687,436.26 : 3,708,662.04 = 1,480,212.26 : x - Step 2: Convert to fraction form
2,687,436.26/3,708,662.04 = 1,480,212.26/x - Step 3: Cross multiply
2,687,436.26x = 3,708,662.04 × 1,480,212.26 - Step 4: Simplify right side
2,687,436.26x = 5,489,607,019,804.61 - Step 5: Solve for x
x = 5,489,607,019,804.61/2,687,436.26 - Step 6: Final answer
x = 2,042,692.92
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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.