Finding the Fourth Proportional to 3,212,247.34, 4,811,946.76 and 1,932,148.18
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Solution
The fourth proportional to 3,212,247.34, 4,811,946.76 and 1,932,148.18 is: 2,894,358.12
Step by Step Solution
- Step 1: Write the proportion equation
3,212,247.34 : 4,811,946.76 = 1,932,148.18 : x - Step 2: Convert to fraction form
3,212,247.34/4,811,946.76 = 1,932,148.18/x - Step 3: Cross multiply
3,212,247.34x = 4,811,946.76 × 1,932,148.18 - Step 4: Simplify right side
3,212,247.34x = 9,297,394,174,590.90 - Step 5: Solve for x
x = 9,297,394,174,590.90/3,212,247.34 - Step 6: Final answer
x = 2,894,358.12
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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.