Finding the Fourth Proportional to 3,738,206.63, 5,158,729.74 and 2,019,327.14
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Solution
The fourth proportional to 3,738,206.63, 5,158,729.74 and 2,019,327.14 is: 2,786,673.93
Step by Step Solution
- Step 1: Write the proportion equation
3,738,206.63 : 5,158,729.74 = 2,019,327.14 : x - Step 2: Convert to fraction form
3,738,206.63/5,158,729.74 = 2,019,327.14/x - Step 3: Cross multiply
3,738,206.63x = 5,158,729.74 × 2,019,327.14 - Step 4: Simplify right side
3,738,206.63x = 10,417,162,971,907.14 - Step 5: Solve for x
x = 10,417,162,971,907.14/3,738,206.63 - Step 6: Final answer
x = 2,786,673.93
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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.