Finding the Fourth Proportional to 6,770,231.81, 9,342,919.83 and 3,869,684.99
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Solution
The fourth proportional to 6,770,231.81, 9,342,919.83 and 3,869,684.99 is: 5,340,165.25
Step by Step Solution
- Step 1: Write the proportion equation
6,770,231.81 : 9,342,919.83 = 3,869,684.99 : x - Step 2: Convert to fraction form
6,770,231.81/9,342,919.83 = 3,869,684.99/x - Step 3: Cross multiply
6,770,231.81x = 9,342,919.83 × 3,869,684.99 - Step 4: Simplify right side
6,770,231.81x = 36,154,156,628,924.35 - Step 5: Solve for x
x = 36,154,156,628,924.35/6,770,231.81 - Step 6: Final answer
x = 5,340,165.25
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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.