Finding the Fourth Proportional to 2,186,890.26, 3,279,961.44 and 589,079.70
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Solution
The fourth proportional to 2,186,890.26, 3,279,961.44 and 589,079.70 is: 883,518.82
Step by Step Solution
- Step 1: Write the proportion equation
2,186,890.26 : 3,279,961.44 = 589,079.70 : x - Step 2: Convert to fraction form
2,186,890.26/3,279,961.44 = 589,079.70/x - Step 3: Cross multiply
2,186,890.26x = 3,279,961.44 × 589,079.70 - Step 4: Simplify right side
2,186,890.26x = 1,932,158,701,086.77 - Step 5: Solve for x
x = 1,932,158,701,086.77/2,186,890.26 - Step 6: Final answer
x = 883,518.82
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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.