Finding the Fourth Proportional to 1,491,799.80, 2,232,450.90 and 1,365,828.60
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Solution
The fourth proportional to 1,491,799.80, 2,232,450.90 and 1,365,828.60 is: 2,043,937.32
Step by Step Solution
- Step 1: Write the proportion equation
1,491,799.80 : 2,232,450.90 = 1,365,828.60 : x - Step 2: Convert to fraction form
1,491,799.80/2,232,450.90 = 1,365,828.60/x - Step 3: Cross multiply
1,491,799.80x = 2,232,450.90 × 1,365,828.60 - Step 4: Simplify right side
1,491,799.80x = 3,049,145,287,315.74 - Step 5: Solve for x
x = 3,049,145,287,315.74/1,491,799.80 - Step 6: Final answer
x = 2,043,937.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.