Finding the Fourth Proportional to 4,217,489.76, 5,820,163.68 and 2,283,750.28
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Solution
The fourth proportional to 4,217,489.76, 5,820,163.68 and 2,283,750.28 is: 3,151,590.45
Step by Step Solution
- Step 1: Write the proportion equation
4,217,489.76 : 5,820,163.68 = 2,283,750.28 : x - Step 2: Convert to fraction form
4,217,489.76/5,820,163.68 = 2,283,750.28/x - Step 3: Cross multiply
4,217,489.76x = 5,820,163.68 × 2,283,750.28 - Step 4: Simplify right side
4,217,489.76x = 13,291,800,433,845.83 - Step 5: Solve for x
x = 13,291,800,433,845.83/4,217,489.76 - Step 6: Final answer
x = 3,151,590.45
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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.