Finding the Fourth Proportional to 4,231,626.99, 5,840,575.23 and 2,781,457.44
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Solution
The fourth proportional to 4,231,626.99, 5,840,575.23 and 2,781,457.44 is: 3,839,022.55
Step by Step Solution
- Step 1: Write the proportion equation
4,231,626.99 : 5,840,575.23 = 2,781,457.44 : x - Step 2: Convert to fraction form
4,231,626.99/5,840,575.23 = 2,781,457.44/x - Step 3: Cross multiply
4,231,626.99x = 5,840,575.23 × 2,781,457.44 - Step 4: Simplify right side
4,231,626.99x = 16,245,311,398,160.34 - Step 5: Solve for x
x = 16,245,311,398,160.34/4,231,626.99 - Step 6: Final answer
x = 3,839,022.55
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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.