Finding the Fourth Proportional to 1,609,485.92, 2,220,257.76 and 1,093,266.44
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Solution
The fourth proportional to 1,609,485.92, 2,220,257.76 and 1,093,266.44 is: 1,508,141.99
Step by Step Solution
- Step 1: Write the proportion equation
1,609,485.92 : 2,220,257.76 = 1,093,266.44 : x - Step 2: Convert to fraction form
1,609,485.92/2,220,257.76 = 1,093,266.44/x - Step 3: Cross multiply
1,609,485.92x = 2,220,257.76 × 1,093,266.44 - Step 4: Simplify right side
1,609,485.92x = 2,427,333,297,157.57 - Step 5: Solve for x
x = 2,427,333,297,157.57/1,609,485.92 - Step 6: Final answer
x = 1,508,141.99
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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.