Finding the Fourth Proportional to 1,519,794.92, 2,097,366.70 and 831,450.80
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Solution
The fourth proportional to 1,519,794.92, 2,097,366.70 and 831,450.80 is: 1,147,429.30
Step by Step Solution
- Step 1: Write the proportion equation
1,519,794.92 : 2,097,366.70 = 831,450.80 : x - Step 2: Convert to fraction form
1,519,794.92/2,097,366.70 = 831,450.80/x - Step 3: Cross multiply
1,519,794.92x = 2,097,366.70 × 831,450.80 - Step 4: Simplify right side
1,519,794.92x = 1,743,857,220,608.36 - Step 5: Solve for x
x = 1,743,857,220,608.36/1,519,794.92 - Step 6: Final answer
x = 1,147,429.30
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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.