Finding the Fourth Proportional to 3,317,223.09, 4,579,180.43 and 2,230,125.20
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Solution
The fourth proportional to 3,317,223.09, 4,579,180.43 and 2,230,125.20 is: 3,078,522.43
Step by Step Solution
- Step 1: Write the proportion equation
3,317,223.09 : 4,579,180.43 = 2,230,125.20 : x - Step 2: Convert to fraction form
3,317,223.09/4,579,180.43 = 2,230,125.20/x - Step 3: Cross multiply
3,317,223.09x = 4,579,180.43 × 2,230,125.20 - Step 4: Simplify right side
3,317,223.09x = 10,212,145,672,289.84 - Step 5: Solve for x
x = 10,212,145,672,289.84/3,317,223.09 - Step 6: Final answer
x = 3,078,522.43
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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.