Finding the Fourth Proportional to 5,273,682.78, 7,277,835.76 and 2,981,794.26
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Solution
The fourth proportional to 5,273,682.78, 7,277,835.76 and 2,981,794.26 is: 4,114,962.88
Step by Step Solution
- Step 1: Write the proportion equation
5,273,682.78 : 7,277,835.76 = 2,981,794.26 : x - Step 2: Convert to fraction form
5,273,682.78/7,277,835.76 = 2,981,794.26/x - Step 3: Cross multiply
5,273,682.78x = 7,277,835.76 × 2,981,794.26 - Step 4: Simplify right side
5,273,682.78x = 21,701,008,894,390.73 - Step 5: Solve for x
x = 21,701,008,894,390.73/5,273,682.78 - Step 6: Final answer
x = 4,114,962.88
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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.