Finding the Fourth Proportional to 2,136,240.42, 3,202,146.18 and 1,335,683.58
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Solution
The fourth proportional to 2,136,240.42, 3,202,146.18 and 1,335,683.58 is: 2,002,140.79
Step by Step Solution
- Step 1: Write the proportion equation
2,136,240.42 : 3,202,146.18 = 1,335,683.58 : x - Step 2: Convert to fraction form
2,136,240.42/3,202,146.18 = 1,335,683.58/x - Step 3: Cross multiply
2,136,240.42x = 3,202,146.18 × 1,335,683.58 - Step 4: Simplify right side
2,136,240.42x = 4,277,054,073,385.73 - Step 5: Solve for x
x = 4,277,054,073,385.73/2,136,240.42 - Step 6: Final answer
x = 2,002,140.79
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1.5x scale
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.