Finding the Fourth Proportional to 1,899,178.87, 2,621,198.12 and 1,125,245.45
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Solution
The fourth proportional to 1,899,178.87, 2,621,198.12 and 1,125,245.45 is: 1,553,035.00
Step by Step Solution
- Step 1: Write the proportion equation
1,899,178.87 : 2,621,198.12 = 1,125,245.45 : x - Step 2: Convert to fraction form
1,899,178.87/2,621,198.12 = 1,125,245.45/x - Step 3: Cross multiply
1,899,178.87x = 2,621,198.12 × 1,125,245.45 - Step 4: Simplify right side
1,899,178.87x = 2,949,491,258,078.55 - Step 5: Solve for x
x = 2,949,491,258,078.55/1,899,178.87 - Step 6: Final answer
x = 1,553,035.00
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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.