Finding the Fourth Proportional to 1,876,266.07, 2,590,139.91 and 1,257,137.44
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Solution
The fourth proportional to 1,876,266.07, 2,590,139.91 and 1,257,137.44 is: 1,735,447.82
Step by Step Solution
- Step 1: Write the proportion equation
1,876,266.07 : 2,590,139.91 = 1,257,137.44 : x - Step 2: Convert to fraction form
1,876,266.07/2,590,139.91 = 1,257,137.44/x - Step 3: Cross multiply
1,876,266.07x = 2,590,139.91 × 1,257,137.44 - Step 4: Simplify right side
1,876,266.07x = 3,256,161,855,699.23 - Step 5: Solve for x
x = 3,256,161,855,699.23/1,876,266.07 - Step 6: Final answer
x = 1,735,447.82
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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.