Finding the Fourth Proportional to 2,819,880.76, 3,891,440.34 and 1,530,722
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Solution
The fourth proportional to 2,819,880.76, 3,891,440.34 and 1,530,722 is: 2,112,399.02
Step by Step Solution
- Step 1: Write the proportion equation
2,819,880.76 : 3,891,440.34 = 1,530,722 : x - Step 2: Convert to fraction form
2,819,880.76/3,891,440.34 = 1,530,722/x - Step 3: Cross multiply
2,819,880.76x = 3,891,440.34 × 1,530,722 - Step 4: Simplify right side
2,819,880.76x = 5,956,713,340,125.48 - Step 5: Solve for x
x = 5,956,713,340,125.48/2,819,880.76 - Step 6: Final answer
x = 2,112,399.02
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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.