Finding the Fourth Proportional to 5,183,121.37, 7,774,685.52 and 2,149,672.78
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Solution
The fourth proportional to 5,183,121.37, 7,774,685.52 and 2,149,672.78 is: 3,224,510.61
Step by Step Solution
- Step 1: Write the proportion equation
5,183,121.37 : 7,774,685.52 = 2,149,672.78 : x - Step 2: Convert to fraction form
5,183,121.37/7,774,685.52 = 2,149,672.78/x - Step 3: Cross multiply
5,183,121.37x = 7,774,685.52 × 2,149,672.78 - Step 4: Simplify right side
5,183,121.37x = 16,713,029,835,404.14 - Step 5: Solve for x
x = 16,713,029,835,404.14/5,183,121.37 - Step 6: Final answer
x = 3,224,510.61
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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.