Finding the Fourth Proportional to 4,002,137.91, 5,522,943.49 and 2,166,595.49
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Solution
The fourth proportional to 4,002,137.91, 5,522,943.49 and 2,166,595.49 is: 2,989,898.08
Step by Step Solution
- Step 1: Write the proportion equation
4,002,137.91 : 5,522,943.49 = 2,166,595.49 : x - Step 2: Convert to fraction form
4,002,137.91/5,522,943.49 = 2,166,595.49/x - Step 3: Cross multiply
4,002,137.91x = 5,522,943.49 × 2,166,595.49 - Step 4: Simplify right side
4,002,137.91x = 11,965,984,465,349.73 - Step 5: Solve for x
x = 11,965,984,465,349.73/4,002,137.91 - Step 6: Final answer
x = 2,989,898.08
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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.