Finding the Fourth Proportional to 1,647,636.71, 2,273,832.35 and 922,478.09
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Solution
The fourth proportional to 1,647,636.71, 2,273,832.35 and 922,478.09 is: 1,273,072.21
Step by Step Solution
- Step 1: Write the proportion equation
1,647,636.71 : 2,273,832.35 = 922,478.09 : x - Step 2: Convert to fraction form
1,647,636.71/2,273,832.35 = 922,478.09/x - Step 3: Cross multiply
1,647,636.71x = 2,273,832.35 × 922,478.09 - Step 4: Simplify right side
1,647,636.71x = 2,097,560,515,874.89 - Step 5: Solve for x
x = 2,097,560,515,874.89/1,647,636.71 - Step 6: Final answer
x = 1,273,072.21
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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.