Finding the Fourth Proportional to 2,887,139.70, 4,330,709.55 and 2,414,747.70
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Solution
The fourth proportional to 2,887,139.70, 4,330,709.55 and 2,414,747.70 is: 3,622,121.55
Step by Step Solution
- Step 1: Write the proportion equation
2,887,139.70 : 4,330,709.55 = 2,414,747.70 : x - Step 2: Convert to fraction form
2,887,139.70/4,330,709.55 = 2,414,747.70/x - Step 3: Cross multiply
2,887,139.70x = 4,330,709.55 × 2,414,747.70 - Step 4: Simplify right side
2,887,139.70x = 10,457,570,925,230.54 - Step 5: Solve for x
x = 10,457,570,925,230.54/2,887,139.70 - Step 6: Final answer
x = 3,622,121.55
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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.