Finding the Fourth Proportional to 5,436,212.19, 8,143,432.48 and 3,276,035.74
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Solution
The fourth proportional to 5,436,212.19, 8,143,432.48 and 3,276,035.74 is: 4,907,493.47
Step by Step Solution
- Step 1: Write the proportion equation
5,436,212.19 : 8,143,432.48 = 3,276,035.74 : x - Step 2: Convert to fraction form
5,436,212.19/8,143,432.48 = 3,276,035.74/x - Step 3: Cross multiply
5,436,212.19x = 8,143,432.48 × 3,276,035.74 - Step 4: Simplify right side
5,436,212.19x = 26,678,175,850,756.84 - Step 5: Solve for x
x = 26,678,175,850,756.84/5,436,212.19 - Step 6: Final answer
x = 4,907,493.47
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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.