Finding the Fourth Proportional to 1,339,367.11, 1,848,346.50 and 727,531.81
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Solution
The fourth proportional to 1,339,367.11, 1,848,346.50 and 727,531.81 is: 1,004,004.70
Step by Step Solution
- Step 1: Write the proportion equation
1,339,367.11 : 1,848,346.50 = 727,531.81 : x - Step 2: Convert to fraction form
1,339,367.11/1,848,346.50 = 727,531.81/x - Step 3: Cross multiply
1,339,367.11x = 1,848,346.50 × 727,531.81 - Step 4: Simplify right side
1,339,367.11x = 1,344,730,874,652.17 - Step 5: Solve for x
x = 1,344,730,874,652.17/1,339,367.11 - Step 6: Final answer
x = 1,004,004.70
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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.