Finding the Fourth Proportional to 2,891,623.36, 4,338,922.20 and 1,377,023.80
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Solution
The fourth proportional to 2,891,623.36, 4,338,922.20 and 1,377,023.80 is: 2,066,243.90
Step by Step Solution
- Step 1: Write the proportion equation
2,891,623.36 : 4,338,922.20 = 1,377,023.80 : x - Step 2: Convert to fraction form
2,891,623.36/4,338,922.20 = 1,377,023.80/x - Step 3: Cross multiply
2,891,623.36x = 4,338,922.20 × 1,377,023.80 - Step 4: Simplify right side
2,891,623.36x = 5,974,799,135,748.36 - Step 5: Solve for x
x = 5,974,799,135,748.36/2,891,623.36 - Step 6: Final answer
x = 2,066,243.90
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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.