Finding the Fourth Proportional to 5,393,902.93, 7,443,812.33 and 3,102,065.44
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Solution
The fourth proportional to 5,393,902.93, 7,443,812.33 and 3,102,065.44 is: 4,280,980.45
Step by Step Solution
- Step 1: Write the proportion equation
5,393,902.93 : 7,443,812.33 = 3,102,065.44 : x - Step 2: Convert to fraction form
5,393,902.93/7,443,812.33 = 3,102,065.44/x - Step 3: Cross multiply
5,393,902.93x = 7,443,812.33 × 3,102,065.44 - Step 4: Simplify right side
5,393,902.93x = 23,091,192,970,738.88 - Step 5: Solve for x
x = 23,091,192,970,738.88/5,393,902.93 - Step 6: Final answer
x = 4,280,980.45
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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.