Finding the Fourth Proportional to 2,772,939.14, 3,825,999.94 and 1,610,694.92
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Solution
The fourth proportional to 2,772,939.14, 3,825,999.94 and 1,610,694.92 is: 2,222,377.90
Step by Step Solution
- Step 1: Write the proportion equation
2,772,939.14 : 3,825,999.94 = 1,610,694.92 : x - Step 2: Convert to fraction form
2,772,939.14/3,825,999.94 = 1,610,694.92/x - Step 3: Cross multiply
2,772,939.14x = 3,825,999.94 × 1,610,694.92 - Step 4: Simplify right side
2,772,939.14x = 6,162,518,667,278.31 - Step 5: Solve for x
x = 6,162,518,667,278.31/2,772,939.14 - Step 6: Final answer
x = 2,222,377.90
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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.