Finding the Fourth Proportional to 4,641,976.80, 6,962,965.20 and 3,634,207.20
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Solution
The fourth proportional to 4,641,976.80, 6,962,965.20 and 3,634,207.20 is: 5,451,310.80
Step by Step Solution
- Step 1: Write the proportion equation
4,641,976.80 : 6,962,965.20 = 3,634,207.20 : x - Step 2: Convert to fraction form
4,641,976.80/6,962,965.20 = 3,634,207.20/x - Step 3: Cross multiply
4,641,976.80x = 6,962,965.20 × 3,634,207.20 - Step 4: Simplify right side
4,641,976.80x = 25,304,858,263,189.44 - Step 5: Solve for x
x = 25,304,858,263,189.44/4,641,976.80 - Step 6: Final answer
x = 5,451,310.80
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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.