Finding the Fourth Proportional to 1,969,121.44, 2,959,847.76 and 1,299,505.84
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Solution
The fourth proportional to 1,969,121.44, 2,959,847.76 and 1,299,505.84 is: 1,953,327.70
Step by Step Solution
- Step 1: Write the proportion equation
1,969,121.44 : 2,959,847.76 = 1,299,505.84 : x - Step 2: Convert to fraction form
1,969,121.44/2,959,847.76 = 1,299,505.84/x - Step 3: Cross multiply
1,969,121.44x = 2,959,847.76 × 1,299,505.84 - Step 4: Simplify right side
1,969,121.44x = 3,846,339,449,630.92 - Step 5: Solve for x
x = 3,846,339,449,630.92/1,969,121.44 - Step 6: Final answer
x = 1,953,327.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.