Finding the Fourth Proportional to 1,367,729.70, 2,048,642.10 and 889,432.80
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Solution
The fourth proportional to 1,367,729.70, 2,048,642.10 and 889,432.80 is: 1,332,229.23
Step by Step Solution
- Step 1: Write the proportion equation
1,367,729.70 : 2,048,642.10 = 889,432.80 : x - Step 2: Convert to fraction form
1,367,729.70/2,048,642.10 = 889,432.80/x - Step 3: Cross multiply
1,367,729.70x = 2,048,642.10 × 889,432.80 - Step 4: Simplify right side
1,367,729.70x = 1,822,129,479,200.88 - Step 5: Solve for x
x = 1,822,129,479,200.88/1,367,729.70 - Step 6: Final answer
x = 1,332,229.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.