Finding the Fourth Proportional to 4,105,987.20, 6,147,316.80 and 3,882,556.80
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Solution
The fourth proportional to 4,105,987.20, 6,147,316.80 and 3,882,556.80 is: 5,812,805.91
Step by Step Solution
- Step 1: Write the proportion equation
4,105,987.20 : 6,147,316.80 = 3,882,556.80 : x - Step 2: Convert to fraction form
4,105,987.20/6,147,316.80 = 3,882,556.80/x - Step 3: Cross multiply
4,105,987.20x = 6,147,316.80 × 3,882,556.80 - Step 4: Simplify right side
4,105,987.20x = 23,867,306,643,594.24 - Step 5: Solve for x
x = 23,867,306,643,594.24/4,105,987.20 - Step 6: Final answer
x = 5,812,805.91
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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.