Finding the Fourth Proportional to 2,392,990.30, 3,302,336.94 and 1,305,285.26
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Solution
The fourth proportional to 2,392,990.30, 3,302,336.94 and 1,305,285.26 is: 1,801,299.29
Step by Step Solution
- Step 1: Write the proportion equation
2,392,990.30 : 3,302,336.94 = 1,305,285.26 : x - Step 2: Convert to fraction form
2,392,990.30/3,302,336.94 = 1,305,285.26/x - Step 3: Cross multiply
2,392,990.30x = 3,302,336.94 × 1,305,285.26 - Step 4: Simplify right side
2,392,990.30x = 4,310,491,731,335.50 - Step 5: Solve for x
x = 4,310,491,731,335.50/2,392,990.30 - Step 6: Final answer
x = 1,801,299.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.