Finding the Fourth Proportional to 2,318,492.20, 3,477,911.10 and 822,389.80
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Solution
The fourth proportional to 2,318,492.20, 3,477,911.10 and 822,389.80 is: 1,233,645.99
Step by Step Solution
- Step 1: Write the proportion equation
2,318,492.20 : 3,477,911.10 = 822,389.80 : x - Step 2: Convert to fraction form
2,318,492.20/3,477,911.10 = 822,389.80/x - Step 3: Cross multiply
2,318,492.20x = 3,477,911.10 × 822,389.80 - Step 4: Simplify right side
2,318,492.20x = 2,860,198,613,946.78 - Step 5: Solve for x
x = 2,860,198,613,946.78/2,318,492.20 - Step 6: Final answer
x = 1,233,645.99
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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.