Finding the Fourth Proportional to 3,214,937.82, 4,436,671.41 and 1,764,768.09
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Solution
The fourth proportional to 3,214,937.82, 4,436,671.41 and 1,764,768.09 is: 2,435,411.37
Step by Step Solution
- Step 1: Write the proportion equation
3,214,937.82 : 4,436,671.41 = 1,764,768.09 : x - Step 2: Convert to fraction form
3,214,937.82/4,436,671.41 = 1,764,768.09/x - Step 3: Cross multiply
3,214,937.82x = 4,436,671.41 × 1,764,768.09 - Step 4: Simplify right side
3,214,937.82x = 7,829,696,130,183.31 - Step 5: Solve for x
x = 7,829,696,130,183.31/3,214,937.82 - Step 6: Final answer
x = 2,435,411.37
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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.