Finding the Fourth Proportional to 2,512,757.36, 3,769,556.32 and 1,972,991.76
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Solution
The fourth proportional to 2,512,757.36, 3,769,556.32 and 1,972,991.76 is: 2,959,817.64
Step by Step Solution
- Step 1: Write the proportion equation
2,512,757.36 : 3,769,556.32 = 1,972,991.76 : x - Step 2: Convert to fraction form
2,512,757.36/3,769,556.32 = 1,972,991.76/x - Step 3: Cross multiply
2,512,757.36x = 3,769,556.32 × 1,972,991.76 - Step 4: Simplify right side
2,512,757.36x = 7,437,303,558,215.92 - Step 5: Solve for x
x = 7,437,303,558,215.92/2,512,757.36 - Step 6: Final answer
x = 2,959,817.64
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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.