Finding the Fourth Proportional to 1,664,609.94, 2,296,915.41 and 1,010,895.99
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Solution
The fourth proportional to 1,664,609.94, 2,296,915.41 and 1,010,895.99 is: 1,394,886.89
Step by Step Solution
- Step 1: Write the proportion equation
1,664,609.94 : 2,296,915.41 = 1,010,895.99 : x - Step 2: Convert to fraction form
1,664,609.94/2,296,915.41 = 1,010,895.99/x - Step 3: Cross multiply
1,664,609.94x = 2,296,915.41 × 1,010,895.99 - Step 4: Simplify right side
1,664,609.94x = 2,321,942,577,338.21 - Step 5: Solve for x
x = 2,321,942,577,338.21/1,664,609.94 - Step 6: Final answer
x = 1,394,886.89
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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.