Finding the Fourth Proportional to 2,281,121.20, 3,147,733.98 and 1,363,168.18
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Solution
The fourth proportional to 2,281,121.20, 3,147,733.98 and 1,363,168.18 is: 1,881,044.64
Step by Step Solution
- Step 1: Write the proportion equation
2,281,121.20 : 3,147,733.98 = 1,363,168.18 : x - Step 2: Convert to fraction form
2,281,121.20/3,147,733.98 = 1,363,168.18/x - Step 3: Cross multiply
2,281,121.20x = 3,147,733.98 × 1,363,168.18 - Step 4: Simplify right side
2,281,121.20x = 4,290,890,800,640.76 - Step 5: Solve for x
x = 4,290,890,800,640.76/2,281,121.20 - Step 6: Final answer
x = 1,881,044.64
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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.