Finding the Fourth Proportional to 2,218,212.14, 3,327,318.81 and 621,010.50
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Solution
The fourth proportional to 2,218,212.14, 3,327,318.81 and 621,010.50 is: 931,515.91
Step by Step Solution
- Step 1: Write the proportion equation
2,218,212.14 : 3,327,318.81 = 621,010.50 : x - Step 2: Convert to fraction form
2,218,212.14/3,327,318.81 = 621,010.50/x - Step 3: Cross multiply
2,218,212.14x = 3,327,318.81 × 621,010.50 - Step 4: Simplify right side
2,218,212.14x = 2,066,299,905,380.06 - Step 5: Solve for x
x = 2,066,299,905,380.06/2,218,212.14 - Step 6: Final answer
x = 931,515.91
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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.