Finding the Fourth Proportional to 5,333,121.22, 7,358,422.72 and 3,239,902.84
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Solution
The fourth proportional to 5,333,121.22, 7,358,422.72 and 3,239,902.84 is: 4,470,285.54
Step by Step Solution
- Step 1: Write the proportion equation
5,333,121.22 : 7,358,422.72 = 3,239,902.84 : x - Step 2: Convert to fraction form
5,333,121.22/7,358,422.72 = 3,239,902.84/x - Step 3: Cross multiply
5,333,121.22x = 7,358,422.72 × 3,239,902.84 - Step 4: Simplify right side
5,333,121.22x = 23,840,574,668,448.52 - Step 5: Solve for x
x = 23,840,574,668,448.52/5,333,121.22 - Step 6: Final answer
x = 4,470,285.54
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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.