Finding the Fourth Proportional to 1,436,213.24, 2,154,021.34 and 425,098.02
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Solution
The fourth proportional to 1,436,213.24, 2,154,021.34 and 425,098.02 is: 637,558.67
Step by Step Solution
- Step 1: Write the proportion equation
1,436,213.24 : 2,154,021.34 = 425,098.02 : x - Step 2: Convert to fraction form
1,436,213.24/2,154,021.34 = 425,098.02/x - Step 3: Cross multiply
1,436,213.24x = 2,154,021.34 × 425,098.02 - Step 4: Simplify right side
1,436,213.24x = 915,670,206,671.75 - Step 5: Solve for x
x = 915,670,206,671.75/1,436,213.24 - Step 6: Final answer
x = 637,558.67
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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.