Finding the Fourth Proportional to 3,569,958.24, 5,355,987.21 and 1,438,945.44
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Solution
The fourth proportional to 3,569,958.24, 5,355,987.21 and 1,438,945.44 is: 2,158,841.32
Step by Step Solution
- Step 1: Write the proportion equation
3,569,958.24 : 5,355,987.21 = 1,438,945.44 : x - Step 2: Convert to fraction form
3,569,958.24/5,355,987.21 = 1,438,945.44/x - Step 3: Cross multiply
3,569,958.24x = 5,355,987.21 × 1,438,945.44 - Step 4: Simplify right side
3,569,958.24x = 7,706,973,372,527.82 - Step 5: Solve for x
x = 7,706,973,372,527.82/3,569,958.24 - Step 6: Final answer
x = 2,158,841.32
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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.