Finding the Fourth Proportional to 5,129,729.14, 7,079,234.61 and 2,837,850.34
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Solution
The fourth proportional to 5,129,729.14, 7,079,234.61 and 2,837,850.34 is: 3,916,348.76
Step by Step Solution
- Step 1: Write the proportion equation
5,129,729.14 : 7,079,234.61 = 2,837,850.34 : x - Step 2: Convert to fraction form
5,129,729.14/7,079,234.61 = 2,837,850.34/x - Step 3: Cross multiply
5,129,729.14x = 7,079,234.61 × 2,837,850.34 - Step 4: Simplify right side
5,129,729.14x = 20,089,808,344,928.27 - Step 5: Solve for x
x = 20,089,808,344,928.27/5,129,729.14 - Step 6: Final answer
x = 3,916,348.76
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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.