Finding the Fourth Proportional to 2,557,358.13, 3,529,136.84 and 1,411,438.44
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Solution
The fourth proportional to 2,557,358.13, 3,529,136.84 and 1,411,438.44 is: 1,947,775.45
Step by Step Solution
- Step 1: Write the proportion equation
2,557,358.13 : 3,529,136.84 = 1,411,438.44 : x - Step 2: Convert to fraction form
2,557,358.13/3,529,136.84 = 1,411,438.44/x - Step 3: Cross multiply
2,557,358.13x = 3,529,136.84 × 1,411,438.44 - Step 4: Simplify right side
2,557,358.13x = 4,981,159,388,938.94 - Step 5: Solve for x
x = 4,981,159,388,938.94/2,557,358.13 - Step 6: Final answer
x = 1,947,775.45
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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.