Finding the Fourth Proportional to 1,609,969.80, 2,415,246.30 and 809,236.20
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Solution
The fourth proportional to 1,609,969.80, 2,415,246.30 and 809,236.20 is: 1,214,000.87
Step by Step Solution
- Step 1: Write the proportion equation
1,609,969.80 : 2,415,246.30 = 809,236.20 : x - Step 2: Convert to fraction form
1,609,969.80/2,415,246.30 = 809,236.20/x - Step 3: Cross multiply
1,609,969.80x = 2,415,246.30 × 809,236.20 - Step 4: Simplify right side
1,609,969.80x = 1,954,504,737,876.06 - Step 5: Solve for x
x = 1,954,504,737,876.06/1,609,969.80 - Step 6: Final answer
x = 1,214,000.87
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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.