Finding the Fourth Proportional to 2,639,257.26, 3,642,194.46 and 1,432,033.26
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Solution
The fourth proportional to 2,639,257.26, 3,642,194.46 and 1,432,033.26 is: 1,976,216.45
Step by Step Solution
- Step 1: Write the proportion equation
2,639,257.26 : 3,642,194.46 = 1,432,033.26 : x - Step 2: Convert to fraction form
2,639,257.26/3,642,194.46 = 1,432,033.26/x - Step 3: Cross multiply
2,639,257.26x = 3,642,194.46 × 1,432,033.26 - Step 4: Simplify right side
2,639,257.26x = 5,215,743,606,107.74 - Step 5: Solve for x
x = 5,215,743,606,107.74/2,639,257.26 - Step 6: Final answer
x = 1,976,216.45
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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.