Finding the Fourth Proportional to 6,770,229.81, 9,342,917.07 and 3,869,682.99
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Solution
The fourth proportional to 6,770,229.81, 9,342,917.07 and 3,869,682.99 is: 5,340,162.49
Step by Step Solution
- Step 1: Write the proportion equation
6,770,229.81 : 9,342,917.07 = 3,869,682.99 : x - Step 2: Convert to fraction form
6,770,229.81/9,342,917.07 = 3,869,682.99/x - Step 3: Cross multiply
6,770,229.81x = 9,342,917.07 × 3,869,682.99 - Step 4: Simplify right side
6,770,229.81x = 36,154,127,262,759.64 - Step 5: Solve for x
x = 36,154,127,262,759.64/6,770,229.81 - Step 6: Final answer
x = 5,340,162.49
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1.5x scale
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.