Finding the Fourth Proportional to 2,251,971.31, 3,107,942.68 and 1,285,246.24
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Solution
The fourth proportional to 2,251,971.31, 3,107,942.68 and 1,285,246.24 is: 1,773,766.66
Step by Step Solution
- Step 1: Write the proportion equation
2,251,971.31 : 3,107,942.68 = 1,285,246.24 : x - Step 2: Convert to fraction form
2,251,971.31/3,107,942.68 = 1,285,246.24/x - Step 3: Cross multiply
2,251,971.31x = 3,107,942.68 × 1,285,246.24 - Step 4: Simplify right side
2,251,971.31x = 3,994,471,621,639.58 - Step 5: Solve for x
x = 3,994,471,621,639.58/2,251,971.31 - Step 6: Final answer
x = 1,773,766.66
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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.