Finding the Fourth Proportional to 2,211,511.20, 3,051,983.70 and 1,244,704.20
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Solution
The fourth proportional to 2,211,511.20, 3,051,983.70 and 1,244,704.20 is: 1,717,747.09
Step by Step Solution
- Step 1: Write the proportion equation
2,211,511.20 : 3,051,983.70 = 1,244,704.20 : x - Step 2: Convert to fraction form
2,211,511.20/3,051,983.70 = 1,244,704.20/x - Step 3: Cross multiply
2,211,511.20x = 3,051,983.70 × 1,244,704.20 - Step 4: Simplify right side
2,211,511.20x = 3,798,816,929,721.54 - Step 5: Solve for x
x = 3,798,816,929,721.54/2,211,511.20 - Step 6: Final answer
x = 1,717,747.09
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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.