Finding the Fourth Proportional to 2,557,545.21, 3,529,160.96 and 1,411,551.68
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Solution
The fourth proportional to 2,557,545.21, 3,529,160.96 and 1,411,551.68 is: 1,947,802.54
Step by Step Solution
- Step 1: Write the proportion equation
2,557,545.21 : 3,529,160.96 = 1,411,551.68 : x - Step 2: Convert to fraction form
2,557,545.21/3,529,160.96 = 1,411,551.68/x - Step 3: Cross multiply
2,557,545.21x = 3,529,160.96 × 1,411,551.68 - Step 4: Simplify right side
2,557,545.21x = 4,981,593,057,374.85 - Step 5: Solve for x
x = 4,981,593,057,374.85/2,557,545.21 - Step 6: Final answer
x = 1,947,802.54
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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.