Finding the Fourth Proportional to 2,195,327.60, 3,286,770.60 and 1,971,378.80
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Solution
The fourth proportional to 2,195,327.60, 3,286,770.60 and 1,971,378.80 is: 2,951,481.99
Step by Step Solution
- Step 1: Write the proportion equation
2,195,327.60 : 3,286,770.60 = 1,971,378.80 : x - Step 2: Convert to fraction form
2,195,327.60/3,286,770.60 = 1,971,378.80/x - Step 3: Cross multiply
2,195,327.60x = 3,286,770.60 × 1,971,378.80 - Step 4: Simplify right side
2,195,327.60x = 6,479,469,881,303.28 - Step 5: Solve for x
x = 6,479,469,881,303.28/2,195,327.60 - Step 6: Final answer
x = 2,951,481.99
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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.