Finding the Fourth Proportional to 1,769,074.20, 2,649,674.70 and 1,454,146.20
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Solution
The fourth proportional to 1,769,074.20, 2,649,674.70 and 1,454,146.20 is: 2,177,983.49
Step by Step Solution
- Step 1: Write the proportion equation
1,769,074.20 : 2,649,674.70 = 1,454,146.20 : x - Step 2: Convert to fraction form
1,769,074.20/2,649,674.70 = 1,454,146.20/x - Step 3: Cross multiply
1,769,074.20x = 2,649,674.70 × 1,454,146.20 - Step 4: Simplify right side
1,769,074.20x = 3,853,014,396,241.14 - Step 5: Solve for x
x = 3,853,014,396,241.14/1,769,074.20 - Step 6: Final answer
x = 2,177,983.49
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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.