Finding the Fourth Proportional to 3,808,786.95, 5,256,216.84 and 2,177,346.12
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Solution
The fourth proportional to 3,808,786.95, 5,256,216.84 and 2,177,346.12 is: 3,004,789.58
Step by Step Solution
- Step 1: Write the proportion equation
3,808,786.95 : 5,256,216.84 = 2,177,346.12 : x - Step 2: Convert to fraction form
3,808,786.95/5,256,216.84 = 2,177,346.12/x - Step 3: Cross multiply
3,808,786.95x = 5,256,216.84 × 2,177,346.12 - Step 4: Simplify right side
3,808,786.95x = 11,444,603,342,452.66 - Step 5: Solve for x
x = 11,444,603,342,452.66/3,808,786.95 - Step 6: Final answer
x = 3,004,789.58
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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.