Finding the Fourth Proportional to 1,647,418.92, 2,272,265.88 and 1,511,890.62
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Solution
The fourth proportional to 1,647,418.92, 2,272,265.88 and 1,511,890.62 is: 2,085,333.26
Step by Step Solution
- Step 1: Write the proportion equation
1,647,418.92 : 2,272,265.88 = 1,511,890.62 : x - Step 2: Convert to fraction form
1,647,418.92/2,272,265.88 = 1,511,890.62/x - Step 3: Cross multiply
1,647,418.92x = 2,272,265.88 × 1,511,890.62 - Step 4: Simplify right side
1,647,418.92x = 3,435,417,470,118.05 - Step 5: Solve for x
x = 3,435,417,470,118.05/1,647,418.92 - Step 6: Final answer
x = 2,085,333.26
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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.