Finding the Fourth Proportional to 2,406,188.25, 3,320,540.58 and 1,318,450.99
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Solution
The fourth proportional to 2,406,188.25, 3,320,540.58 and 1,318,450.99 is: 1,819,462.81
Step by Step Solution
- Step 1: Write the proportion equation
2,406,188.25 : 3,320,540.58 = 1,318,450.99 : x - Step 2: Convert to fraction form
2,406,188.25/3,320,540.58 = 1,318,450.99/x - Step 3: Cross multiply
2,406,188.25x = 3,320,540.58 × 1,318,450.99 - Step 4: Simplify right side
2,406,188.25x = 4,377,970,015,036.17 - Step 5: Solve for x
x = 4,377,970,015,036.17/2,406,188.25 - Step 6: Final answer
x = 1,819,462.81
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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.