Finding the Fourth Proportional to 6,180,928.80, 9,275,329.80 and 3,622,138.80
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Solution
The fourth proportional to 6,180,928.80, 9,275,329.80 and 3,622,138.80 is: 5,435,515.12
Step by Step Solution
- Step 1: Write the proportion equation
6,180,928.80 : 9,275,329.80 = 3,622,138.80 : x - Step 2: Convert to fraction form
6,180,928.80/9,275,329.80 = 3,622,138.80/x - Step 3: Cross multiply
6,180,928.80x = 9,275,329.80 × 3,622,138.80 - Step 4: Simplify right side
6,180,928.80x = 33,596,531,951,376.24 - Step 5: Solve for x
x = 33,596,531,951,376.24/6,180,928.80 - Step 6: Final answer
x = 5,435,515.12
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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.