Finding the Fourth Proportional to 2,189,361.66, 3,282,701.13 and 769,580.70
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Solution
The fourth proportional to 2,189,361.66, 3,282,701.13 and 769,580.70 is: 1,153,899.55
Step by Step Solution
- Step 1: Write the proportion equation
2,189,361.66 : 3,282,701.13 = 769,580.70 : x - Step 2: Convert to fraction form
2,189,361.66/3,282,701.13 = 769,580.70/x - Step 3: Cross multiply
2,189,361.66x = 3,282,701.13 × 769,580.70 - Step 4: Simplify right side
2,189,361.66x = 2,526,303,433,516.19 - Step 5: Solve for x
x = 2,526,303,433,516.19/2,189,361.66 - Step 6: Final answer
x = 1,153,899.55
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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.