Finding the Fourth Proportional to 2,183,896.60, 3,275,844.90 and 1,121,014.60
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Solution
The fourth proportional to 2,183,896.60, 3,275,844.90 and 1,121,014.60 is: 1,681,521.90
Step by Step Solution
- Step 1: Write the proportion equation
2,183,896.60 : 3,275,844.90 = 1,121,014.60 : x - Step 2: Convert to fraction form
2,183,896.60/3,275,844.90 = 1,121,014.60/x - Step 3: Cross multiply
2,183,896.60x = 3,275,844.90 × 1,121,014.60 - Step 4: Simplify right side
2,183,896.60x = 3,672,269,960,235.54 - Step 5: Solve for x
x = 3,672,269,960,235.54/2,183,896.60 - Step 6: Final answer
x = 1,681,521.90
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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.