Finding the Fourth Proportional to 2,557,544.71, 3,529,160.25 and 1,411,551.19
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Solution
The fourth proportional to 2,557,544.71, 3,529,160.25 and 1,411,551.19 is: 1,947,801.86
Step by Step Solution
- Step 1: Write the proportion equation
2,557,544.71 : 3,529,160.25 = 1,411,551.19 : x - Step 2: Convert to fraction form
2,557,544.71/3,529,160.25 = 1,411,551.19/x - Step 3: Cross multiply
2,557,544.71x = 3,529,160.25 × 1,411,551.19 - Step 4: Simplify right side
2,557,544.71x = 4,981,590,350,588.20 - Step 5: Solve for x
x = 4,981,590,350,588.20/2,557,544.71 - Step 6: Final answer
x = 1,947,801.86
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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.