Finding the Fourth Proportional to 1,699,684.47, 2,345,733.99 and 1,269,217.26
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Solution
The fourth proportional to 1,699,684.47, 2,345,733.99 and 1,269,217.26 is: 1,751,646.33
Step by Step Solution
- Step 1: Write the proportion equation
1,699,684.47 : 2,345,733.99 = 1,269,217.26 : x - Step 2: Convert to fraction form
1,699,684.47/2,345,733.99 = 1,269,217.26/x - Step 3: Cross multiply
1,699,684.47x = 2,345,733.99 × 1,269,217.26 - Step 4: Simplify right side
1,699,684.47x = 2,977,246,067,476.67 - Step 5: Solve for x
x = 2,977,246,067,476.67/1,699,684.47 - Step 6: Final answer
x = 1,751,646.33
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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.