Finding the Fourth Proportional to 6,071,727.99, 8,378,174.47 and 3,899,213.79
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Solution
The fourth proportional to 6,071,727.99, 8,378,174.47 and 3,899,213.79 is: 5,380,394.76
Step by Step Solution
- Step 1: Write the proportion equation
6,071,727.99 : 8,378,174.47 = 3,899,213.79 : x - Step 2: Convert to fraction form
6,071,727.99/8,378,174.47 = 3,899,213.79/x - Step 3: Cross multiply
6,071,727.99x = 8,378,174.47 × 3,899,213.79 - Step 4: Simplify right side
6,071,727.99x = 32,668,293,441,722.01 - Step 5: Solve for x
x = 32,668,293,441,722.01/6,071,727.99 - Step 6: Final answer
x = 5,380,394.76
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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.