Finding the Fourth Proportional to 1,411,770.87, 2,116,720.15 and 513,105.84
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Solution
The fourth proportional to 1,411,770.87, 2,116,720.15 and 513,105.84 is: 769,318.52
Step by Step Solution
- Step 1: Write the proportion equation
1,411,770.87 : 2,116,720.15 = 513,105.84 : x - Step 2: Convert to fraction form
1,411,770.87/2,116,720.15 = 513,105.84/x - Step 3: Cross multiply
1,411,770.87x = 2,116,720.15 × 513,105.84 - Step 4: Simplify right side
1,411,770.87x = 1,086,101,469,327.91 - Step 5: Solve for x
x = 1,086,101,469,327.91/1,411,770.87 - Step 6: Final answer
x = 769,318.52
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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.