Finding the Fourth Proportional to 6,808,759.68, 10,212,033.60 and 3,214,519.68
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Solution
The fourth proportional to 6,808,759.68, 10,212,033.60 and 3,214,519.68 is: 4,821,257.40
Step by Step Solution
- Step 1: Write the proportion equation
6,808,759.68 : 10,212,033.60 = 3,214,519.68 : x - Step 2: Convert to fraction form
6,808,759.68/10,212,033.60 = 3,214,519.68/x - Step 3: Cross multiply
6,808,759.68x = 10,212,033.60 × 3,214,519.68 - Step 4: Simplify right side
6,808,759.68x = 32,826,782,980,021.25 - Step 5: Solve for x
x = 32,826,782,980,021.25/6,808,759.68 - Step 6: Final answer
x = 4,821,257.40
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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.