Finding the Fourth Proportional to 3,881,455.87, 5,814,721.75 and 2,170,409.59
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Solution
The fourth proportional to 3,881,455.87, 5,814,721.75 and 2,170,409.59 is: 3,251,441.79
Step by Step Solution
- Step 1: Write the proportion equation
3,881,455.87 : 5,814,721.75 = 2,170,409.59 : x - Step 2: Convert to fraction form
3,881,455.87/5,814,721.75 = 2,170,409.59/x - Step 3: Cross multiply
3,881,455.87x = 5,814,721.75 × 2,170,409.59 - Step 4: Simplify right side
3,881,455.87x = 12,620,327,829,418.75 - Step 5: Solve for x
x = 12,620,327,829,418.75/3,881,455.87 - Step 6: Final answer
x = 3,251,441.79
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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.