Finding the Fourth Proportional to 3,183,447.56, 4,775,689.74 and 939,812.36
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Solution
The fourth proportional to 3,183,447.56, 4,775,689.74 and 939,812.36 is: 1,409,871.58
Step by Step Solution
- Step 1: Write the proportion equation
3,183,447.56 : 4,775,689.74 = 939,812.36 : x - Step 2: Convert to fraction form
3,183,447.56/4,775,689.74 = 939,812.36/x - Step 3: Cross multiply
3,183,447.56x = 4,775,689.74 × 939,812.36 - Step 4: Simplify right side
3,183,447.56x = 4,488,252,245,177.19 - Step 5: Solve for x
x = 4,488,252,245,177.19/3,183,447.56 - Step 6: Final answer
x = 1,409,871.58
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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.