Finding the Fourth Proportional to 1,647,354.31, 2,273,396.22 and 922,197.96
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Solution
The fourth proportional to 1,647,354.31, 2,273,396.22 and 922,197.96 is: 1,272,659.65
Step by Step Solution
- Step 1: Write the proportion equation
1,647,354.31 : 2,273,396.22 = 922,197.96 : x - Step 2: Convert to fraction form
1,647,354.31/2,273,396.22 = 922,197.96/x - Step 3: Cross multiply
1,647,354.31x = 2,273,396.22 × 922,197.96 - Step 4: Simplify right side
1,647,354.31x = 2,096,521,356,355.71 - Step 5: Solve for x
x = 2,096,521,356,355.71/1,647,354.31 - Step 6: Final answer
x = 1,272,659.65
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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.