Finding the Fourth Proportional to 2,557,536.21, 3,529,148.54 and 1,411,542.68
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Solution
The fourth proportional to 2,557,536.21, 3,529,148.54 and 1,411,542.68 is: 1,947,790.12
Step by Step Solution
- Step 1: Write the proportion equation
2,557,536.21 : 3,529,148.54 = 1,411,542.68 : x - Step 2: Convert to fraction form
2,557,536.21/3,529,148.54 = 1,411,542.68/x - Step 3: Cross multiply
2,557,536.21x = 3,529,148.54 × 1,411,542.68 - Step 4: Simplify right side
2,557,536.21x = 4,981,543,763,566.23 - Step 5: Solve for x
x = 4,981,543,763,566.23/2,557,536.21 - Step 6: Final answer
x = 1,947,790.12
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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.