Finding the Fourth Proportional to 2,079,900.26, 2,870,281.35 and 1,220,474.84
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Solution
The fourth proportional to 2,079,900.26, 2,870,281.35 and 1,220,474.84 is: 1,684,266.42
Step by Step Solution
- Step 1: Write the proportion equation
2,079,900.26 : 2,870,281.35 = 1,220,474.84 : x - Step 2: Convert to fraction form
2,079,900.26/2,870,281.35 = 1,220,474.84/x - Step 3: Cross multiply
2,079,900.26x = 2,870,281.35 × 1,220,474.84 - Step 4: Simplify right side
2,079,900.26x = 3,503,106,171,396.23 - Step 5: Solve for x
x = 3,503,106,171,396.23/2,079,900.26 - Step 6: Final answer
x = 1,684,266.42
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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.