Finding the Fourth Proportional to 5,572,481.82, 8,358,722.73 and 4,457,636.70
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Solution
The fourth proportional to 5,572,481.82, 8,358,722.73 and 4,457,636.70 is: 6,686,455.05
Step by Step Solution
- Step 1: Write the proportion equation
5,572,481.82 : 8,358,722.73 = 4,457,636.70 : x - Step 2: Convert to fraction form
5,572,481.82/8,358,722.73 = 4,457,636.70/x - Step 3: Cross multiply
5,572,481.82x = 8,358,722.73 × 4,457,636.70 - Step 4: Simplify right side
5,572,481.82x = 37,260,149,206,372.20 - Step 5: Solve for x
x = 37,260,149,206,372.20/5,572,481.82 - Step 6: Final answer
x = 6,686,455.05
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1.5x scale
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.