Finding the Fourth Proportional to 1,747,106.55, 2,622,136.05 and 682,912.35
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Solution
The fourth proportional to 1,747,106.55, 2,622,136.05 and 682,912.35 is: 1,024,945.55
Step by Step Solution
- Step 1: Write the proportion equation
1,747,106.55 : 2,622,136.05 = 682,912.35 : x - Step 2: Convert to fraction form
1,747,106.55/2,622,136.05 = 682,912.35/x - Step 3: Cross multiply
1,747,106.55x = 2,622,136.05 × 682,912.35 - Step 4: Simplify right side
1,747,106.55x = 1,790,689,091,925.22 - Step 5: Solve for x
x = 1,790,689,091,925.22/1,747,106.55 - Step 6: Final answer
x = 1,024,945.55
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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.