Finding the Fourth Proportional to 2,156,819.60, 3,233,674.20 and 1,409,286.80
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Solution
The fourth proportional to 2,156,819.60, 3,233,674.20 and 1,409,286.80 is: 2,112,914.02
Step by Step Solution
- Step 1: Write the proportion equation
2,156,819.60 : 3,233,674.20 = 1,409,286.80 : x - Step 2: Convert to fraction form
2,156,819.60/3,233,674.20 = 1,409,286.80/x - Step 3: Cross multiply
2,156,819.60x = 3,233,674.20 × 1,409,286.80 - Step 4: Simplify right side
2,156,819.60x = 4,557,174,365,560.56 - Step 5: Solve for x
x = 4,557,174,365,560.56/2,156,819.60 - Step 6: Final answer
x = 2,112,914.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.