Finding the Fourth Proportional to 3,750,108.43, 5,174,880.94 and 2,201,432.98
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Solution
The fourth proportional to 3,750,108.43, 5,174,880.94 and 2,201,432.98 is: 3,037,819.78
Step by Step Solution
- Step 1: Write the proportion equation
3,750,108.43 : 5,174,880.94 = 2,201,432.98 : x - Step 2: Convert to fraction form
3,750,108.43/5,174,880.94 = 2,201,432.98/x - Step 3: Cross multiply
3,750,108.43x = 5,174,880.94 × 2,201,432.98 - Step 4: Simplify right side
3,750,108.43x = 11,392,153,568,889.40 - Step 5: Solve for x
x = 11,392,153,568,889.40/3,750,108.43 - Step 6: Final answer
x = 3,037,819.78
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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.