Finding the Fourth Proportional to 1,608,738.65, 2,413,107.20 and 410,660.60
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Solution
The fourth proportional to 1,608,738.65, 2,413,107.20 and 410,660.60 is: 615,990.70
Step by Step Solution
- Step 1: Write the proportion equation
1,608,738.65 : 2,413,107.20 = 410,660.60 : x - Step 2: Convert to fraction form
1,608,738.65/2,413,107.20 = 410,660.60/x - Step 3: Cross multiply
1,608,738.65x = 2,413,107.20 × 410,660.60 - Step 4: Simplify right side
1,608,738.65x = 990,968,036,497.48 - Step 5: Solve for x
x = 990,968,036,497.48/1,608,738.65 - Step 6: Final answer
x = 615,990.70
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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.