Finding the Fourth Proportional to 1,876,265.07, 2,590,138.53 and 1,257,136.44
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Solution
The fourth proportional to 1,876,265.07, 2,590,138.53 and 1,257,136.44 is: 1,735,446.44
Step by Step Solution
- Step 1: Write the proportion equation
1,876,265.07 : 2,590,138.53 = 1,257,136.44 : x - Step 2: Convert to fraction form
1,876,265.07/2,590,138.53 = 1,257,136.44/x - Step 3: Cross multiply
1,876,265.07x = 2,590,138.53 × 1,257,136.44 - Step 4: Simplify right side
1,876,265.07x = 3,256,157,530,711.03 - Step 5: Solve for x
x = 3,256,157,530,711.03/1,876,265.07 - Step 6: Final answer
x = 1,735,446.44
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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.