Finding the Fourth Proportional to 1,644,229.48, 2,266,971.96 and 1,257,519.28
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Solution
The fourth proportional to 1,644,229.48, 2,266,971.96 and 1,257,519.28 is: 1,733,797.49
Step by Step Solution
- Step 1: Write the proportion equation
1,644,229.48 : 2,266,971.96 = 1,257,519.28 : x - Step 2: Convert to fraction form
1,644,229.48/2,266,971.96 = 1,257,519.28/x - Step 3: Cross multiply
1,644,229.48x = 2,266,971.96 × 1,257,519.28 - Step 4: Simplify right side
1,644,229.48x = 2,850,760,946,919.39 - Step 5: Solve for x
x = 2,850,760,946,919.39/1,644,229.48 - Step 6: Final answer
x = 1,733,797.49
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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.