Finding the Fourth Proportional to 2,470,922.80, 3,409,944.68 and 1,383,187.97
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Solution
The fourth proportional to 2,470,922.80, 3,409,944.68 and 1,383,187.97 is: 1,908,839.27
Step by Step Solution
- Step 1: Write the proportion equation
2,470,922.80 : 3,409,944.68 = 1,383,187.97 : x - Step 2: Convert to fraction form
2,470,922.80/3,409,944.68 = 1,383,187.97/x - Step 3: Cross multiply
2,470,922.80x = 3,409,944.68 × 1,383,187.97 - Step 4: Simplify right side
2,470,922.80x = 4,716,594,452,825.56 - Step 5: Solve for x
x = 4,716,594,452,825.56/2,470,922.80 - Step 6: Final answer
x = 1,908,839.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.