Finding the Fourth Proportional to 1,628,049.65, 2,442,427.12 and 490,716.70
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Solution
The fourth proportional to 1,628,049.65, 2,442,427.12 and 490,716.70 is: 736,181.34
Step by Step Solution
- Step 1: Write the proportion equation
1,628,049.65 : 2,442,427.12 = 490,716.70 : x - Step 2: Convert to fraction form
1,628,049.65/2,442,427.12 = 490,716.70/x - Step 3: Cross multiply
1,628,049.65x = 2,442,427.12 × 490,716.70 - Step 4: Simplify right side
1,628,049.65x = 1,198,539,770,824.23 - Step 5: Solve for x
x = 1,198,539,770,824.23/1,628,049.65 - Step 6: Final answer
x = 736,181.34
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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.