Finding the Fourth Proportional to 5,748,351.84, 7,932,615.12 and 3,170,270.88
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Solution
The fourth proportional to 5,748,351.84, 7,932,615.12 and 3,170,270.88 is: 4,374,912.92
Step by Step Solution
- Step 1: Write the proportion equation
5,748,351.84 : 7,932,615.12 = 3,170,270.88 : x - Step 2: Convert to fraction form
5,748,351.84/7,932,615.12 = 3,170,270.88/x - Step 3: Cross multiply
5,748,351.84x = 7,932,615.12 × 3,170,270.88 - Step 4: Simplify right side
5,748,351.84x = 25,148,538,717,183.70 - Step 5: Solve for x
x = 25,148,538,717,183.70/5,748,351.84 - Step 6: Final answer
x = 4,374,912.92
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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.