Finding the Fourth Proportional to 2,757,780.36, 3,805,765.97 and 1,517,406.80
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Solution
The fourth proportional to 2,757,780.36, 3,805,765.97 and 1,517,406.80 is: 2,094,037.37
Step by Step Solution
- Step 1: Write the proportion equation
2,757,780.36 : 3,805,765.97 = 1,517,406.80 : x - Step 2: Convert to fraction form
2,757,780.36/3,805,765.97 = 1,517,406.80/x - Step 3: Cross multiply
2,757,780.36x = 3,805,765.97 × 1,517,406.80 - Step 4: Simplify right side
2,757,780.36x = 5,774,895,135,470.73 - Step 5: Solve for x
x = 5,774,895,135,470.73/2,757,780.36 - Step 6: Final answer
x = 2,094,037.37
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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.