Finding the Fourth Proportional to 4,319,359.73, 6,480,105.25 and 1,286,713.81
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Solution
The fourth proportional to 4,319,359.73, 6,480,105.25 and 1,286,713.81 is: 1,930,388.17
Step by Step Solution
- Step 1: Write the proportion equation
4,319,359.73 : 6,480,105.25 = 1,286,713.81 : x - Step 2: Convert to fraction form
4,319,359.73/6,480,105.25 = 1,286,713.81/x - Step 3: Cross multiply
4,319,359.73x = 6,480,105.25 × 1,286,713.81 - Step 4: Simplify right side
4,319,359.73x = 8,338,040,922,724.44 - Step 5: Solve for x
x = 8,338,040,922,724.44/4,319,359.73 - Step 6: Final answer
x = 1,930,388.17
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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.