Finding the Fourth Proportional to 2,079,497.40, 3,119,246.10 and 659,664.60
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Solution
The fourth proportional to 2,079,497.40, 3,119,246.10 and 659,664.60 is: 989,496.90
Step by Step Solution
- Step 1: Write the proportion equation
2,079,497.40 : 3,119,246.10 = 659,664.60 : x - Step 2: Convert to fraction form
2,079,497.40/3,119,246.10 = 659,664.60/x - Step 3: Cross multiply
2,079,497.40x = 3,119,246.10 × 659,664.60 - Step 4: Simplify right side
2,079,497.40x = 2,057,656,230,858.06 - Step 5: Solve for x
x = 2,057,656,230,858.06/2,079,497.40 - Step 6: Final answer
x = 989,496.90
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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.