Finding the Fourth Proportional to 5,147,954.83, 7,717,343.73 and 1,955,323.09
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Solution
The fourth proportional to 5,147,954.83, 7,717,343.73 and 1,955,323.09 is: 2,931,241.80
Step by Step Solution
- Step 1: Write the proportion equation
5,147,954.83 : 7,717,343.73 = 1,955,323.09 : x - Step 2: Convert to fraction form
5,147,954.83/7,717,343.73 = 1,955,323.09/x - Step 3: Cross multiply
5,147,954.83x = 7,717,343.73 × 1,955,323.09 - Step 4: Simplify right side
5,147,954.83x = 15,089,900,388,735.73 - Step 5: Solve for x
x = 15,089,900,388,735.73/5,147,954.83 - Step 6: Final answer
x = 2,931,241.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.