Finding the Fourth Proportional to 3,766,120.71, 5,197,137.15 and 2,134,678.24
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Solution
The fourth proportional to 3,766,120.71, 5,197,137.15 and 2,134,678.24 is: 2,945,793.95
Step by Step Solution
- Step 1: Write the proportion equation
3,766,120.71 : 5,197,137.15 = 2,134,678.24 : x - Step 2: Convert to fraction form
3,766,120.71/5,197,137.15 = 2,134,678.24/x - Step 3: Cross multiply
3,766,120.71x = 5,197,137.15 × 2,134,678.24 - Step 4: Simplify right side
3,766,120.71x = 11,094,215,584,400.62 - Step 5: Solve for x
x = 11,094,215,584,400.62/3,766,120.71 - Step 6: Final answer
x = 2,945,793.95
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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.