Finding the Fourth Proportional to 1,783,562.20, 2,675,343.30 and 837,028.60
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Solution
The fourth proportional to 1,783,562.20, 2,675,343.30 and 837,028.60 is: 1,255,542.90
Step by Step Solution
- Step 1: Write the proportion equation
1,783,562.20 : 2,675,343.30 = 837,028.60 : x - Step 2: Convert to fraction form
1,783,562.20/2,675,343.30 = 837,028.60/x - Step 3: Cross multiply
1,783,562.20x = 2,675,343.30 × 837,028.60 - Step 4: Simplify right side
1,783,562.20x = 2,239,338,856,918.38 - Step 5: Solve for x
x = 2,239,338,856,918.38/1,783,562.20 - Step 6: Final answer
x = 1,255,542.90
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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.