Finding the Fourth Proportional to 2,912,318.88, 4,368,183.07 and 782,126.21
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Solution
The fourth proportional to 2,912,318.88, 4,368,183.07 and 782,126.21 is: 1,173,110.02
Step by Step Solution
- Step 1: Write the proportion equation
2,912,318.88 : 4,368,183.07 = 782,126.21 : x - Step 2: Convert to fraction form
2,912,318.88/4,368,183.07 = 782,126.21/x - Step 3: Cross multiply
2,912,318.88x = 4,368,183.07 × 782,126.21 - Step 4: Simplify right side
2,912,318.88x = 3,416,470,469,125.26 - Step 5: Solve for x
x = 3,416,470,469,125.26/2,912,318.88 - Step 6: Final answer
x = 1,173,110.02
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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.