Finding the Fourth Proportional to 1,339,366.11, 1,848,345.12 and 727,530.81
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Solution
The fourth proportional to 1,339,366.11, 1,848,345.12 and 727,530.81 is: 1,004,003.32
Step by Step Solution
- Step 1: Write the proportion equation
1,339,366.11 : 1,848,345.12 = 727,530.81 : x - Step 2: Convert to fraction form
1,339,366.11/1,848,345.12 = 727,530.81/x - Step 3: Cross multiply
1,339,366.11x = 1,848,345.12 × 727,530.81 - Step 4: Simplify right side
1,339,366.11x = 1,344,728,022,313.15 - Step 5: Solve for x
x = 1,344,728,022,313.15/1,339,366.11 - Step 6: Final answer
x = 1,004,003.32
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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.