Finding the Fourth Proportional to 3,538,841.76, 4,883,543.04 and 1,968,912.96
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Solution
The fourth proportional to 3,538,841.76, 4,883,543.04 and 1,968,912.96 is: 2,717,067.29
Step by Step Solution
- Step 1: Write the proportion equation
3,538,841.76 : 4,883,543.04 = 1,968,912.96 : x - Step 2: Convert to fraction form
3,538,841.76/4,883,543.04 = 1,968,912.96/x - Step 3: Cross multiply
3,538,841.76x = 4,883,543.04 × 1,968,912.96 - Step 4: Simplify right side
3,538,841.76x = 9,615,271,182,173.80 - Step 5: Solve for x
x = 9,615,271,182,173.80/3,538,841.76 - Step 6: Final answer
x = 2,717,067.29
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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.