Finding the Fourth Proportional to 1,489,424.10, 2,234,136.15 and 922,553.70
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Solution
The fourth proportional to 1,489,424.10, 2,234,136.15 and 922,553.70 is: 1,383,830.55
Step by Step Solution
- Step 1: Write the proportion equation
1,489,424.10 : 2,234,136.15 = 922,553.70 : x - Step 2: Convert to fraction form
1,489,424.10/2,234,136.15 = 922,553.70/x - Step 3: Cross multiply
1,489,424.10x = 2,234,136.15 × 922,553.70 - Step 4: Simplify right side
1,489,424.10x = 2,061,110,571,486.26 - Step 5: Solve for x
x = 2,061,110,571,486.26/1,489,424.10 - Step 6: Final answer
x = 1,383,830.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.