Finding the Fourth Proportional to 2,451,515.94, 3,383,201.16 and 2,042,933.76
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Solution
The fourth proportional to 2,451,515.94, 3,383,201.16 and 2,042,933.76 is: 2,819,339.56
Step by Step Solution
- Step 1: Write the proportion equation
2,451,515.94 : 3,383,201.16 = 2,042,933.76 : x - Step 2: Convert to fraction form
2,451,515.94/3,383,201.16 = 2,042,933.76/x - Step 3: Cross multiply
2,451,515.94x = 3,383,201.16 × 2,042,933.76 - Step 4: Simplify right side
2,451,515.94x = 6,911,655,866,635.16 - Step 5: Solve for x
x = 6,911,655,866,635.16/2,451,515.94 - Step 6: Final answer
x = 2,819,339.56
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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.