Finding the Fourth Proportional to 2,557,537.21, 3,529,149.90 and 1,411,543.69
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Solution
The fourth proportional to 2,557,537.21, 3,529,149.90 and 1,411,543.69 is: 1,947,791.51
Step by Step Solution
- Step 1: Write the proportion equation
2,557,537.21 : 3,529,149.90 = 1,411,543.69 : x - Step 2: Convert to fraction form
2,557,537.21/3,529,149.90 = 1,411,543.69/x - Step 3: Cross multiply
2,557,537.21x = 3,529,149.90 × 1,411,543.69 - Step 4: Simplify right side
2,557,537.21x = 4,981,549,272,409.13 - Step 5: Solve for x
x = 4,981,549,272,409.13/2,557,537.21 - Step 6: Final answer
x = 1,947,791.51
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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.