Finding the Fourth Proportional to 1,644,813.50, 2,269,147.59 and 1,101,124.44
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Solution
The fourth proportional to 1,644,813.50, 2,269,147.59 and 1,101,124.44 is: 1,519,086.44
Step by Step Solution
- Step 1: Write the proportion equation
1,644,813.50 : 2,269,147.59 = 1,101,124.44 : x - Step 2: Convert to fraction form
1,644,813.50/2,269,147.59 = 1,101,124.44/x - Step 3: Cross multiply
1,644,813.50x = 2,269,147.59 × 1,101,124.44 - Step 4: Simplify right side
1,644,813.50x = 2,498,613,869,316.10 - Step 5: Solve for x
x = 2,498,613,869,316.10/1,644,813.50 - Step 6: Final answer
x = 1,519,086.44
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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.