Finding the Fourth Proportional to 3,185,370.18, 4,396,771.26 and 2,167,365.42
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Solution
The fourth proportional to 3,185,370.18, 4,396,771.26 and 2,167,365.42 is: 2,991,617.76
Step by Step Solution
- Step 1: Write the proportion equation
3,185,370.18 : 4,396,771.26 = 2,167,365.42 : x - Step 2: Convert to fraction form
3,185,370.18/4,396,771.26 = 2,167,365.42/x - Step 3: Cross multiply
3,185,370.18x = 4,396,771.26 × 2,167,365.42 - Step 4: Simplify right side
3,185,370.18x = 9,529,409,988,573.83 - Step 5: Solve for x
x = 9,529,409,988,573.83/3,185,370.18 - Step 6: Final answer
x = 2,991,617.76
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1.5x scale
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.