Finding the Fourth Proportional to 3,905,891.92, 5,858,546.19 and 1,210,237.84
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Solution
The fourth proportional to 3,905,891.92, 5,858,546.19 and 1,210,237.84 is: 1,815,266.38
Step by Step Solution
- Step 1: Write the proportion equation
3,905,891.92 : 5,858,546.19 = 1,210,237.84 : x - Step 2: Convert to fraction form
3,905,891.92/5,858,546.19 = 1,210,237.84/x - Step 3: Cross multiply
3,905,891.92x = 5,858,546.19 × 1,210,237.84 - Step 4: Simplify right side
3,905,891.92x = 7,090,234,286,525.83 - Step 5: Solve for x
x = 7,090,234,286,525.83/3,905,891.92 - Step 6: Final answer
x = 1,815,266.38
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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.