Finding the Fourth Proportional to 7,294,928.25, 10,931,571.49 and 2,971,697.23
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Solution
The fourth proportional to 7,294,928.25, 10,931,571.49 and 2,971,697.23 is: 4,453,137.80
Step by Step Solution
- Step 1: Write the proportion equation
7,294,928.25 : 10,931,571.49 = 2,971,697.23 : x - Step 2: Convert to fraction form
7,294,928.25/10,931,571.49 = 2,971,697.23/x - Step 3: Cross multiply
7,294,928.25x = 10,931,571.49 × 2,971,697.23 - Step 4: Simplify right side
7,294,928.25x = 32,485,320,716,379.97 - Step 5: Solve for x
x = 32,485,320,716,379.97/7,294,928.25 - Step 6: Final answer
x = 4,453,137.80
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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.