Finding the Fourth Proportional to 1,903,121.92, 2,854,687.84 and 641,835.52
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Solution
The fourth proportional to 1,903,121.92, 2,854,687.84 and 641,835.52 is: 962,754.95
Step by Step Solution
- Step 1: Write the proportion equation
1,903,121.92 : 2,854,687.84 = 641,835.52 : x - Step 2: Convert to fraction form
1,903,121.92/2,854,687.84 = 641,835.52/x - Step 3: Cross multiply
1,903,121.92x = 2,854,687.84 × 641,835.52 - Step 4: Simplify right side
1,903,121.92x = 1,832,240,054,224.08 - Step 5: Solve for x
x = 1,832,240,054,224.08/1,903,121.92 - Step 6: Final answer
x = 962,754.95
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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.