Finding the Fourth Proportional to 4,044,311.47, 6,054,694.28 and 2,120,661.12
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Solution
The fourth proportional to 4,044,311.47, 6,054,694.28 and 2,120,661.12 is: 3,174,818.47
Step by Step Solution
- Step 1: Write the proportion equation
4,044,311.47 : 6,054,694.28 = 2,120,661.12 : x - Step 2: Convert to fraction form
4,044,311.47/6,054,694.28 = 2,120,661.12/x - Step 3: Cross multiply
4,044,311.47x = 6,054,694.28 × 2,120,661.12 - Step 4: Simplify right side
4,044,311.47x = 12,839,954,739,079.02 - Step 5: Solve for x
x = 12,839,954,739,079.02/4,044,311.47 - Step 6: Final answer
x = 3,174,818.47
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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.