Finding the Fourth Proportional to 3,216,418.76, 4,823,891.10 and 1,919,937.08
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Solution
The fourth proportional to 3,216,418.76, 4,823,891.10 and 1,919,937.08 is: 2,879,465.67
Step by Step Solution
- Step 1: Write the proportion equation
3,216,418.76 : 4,823,891.10 = 1,919,937.08 : x - Step 2: Convert to fraction form
3,216,418.76/4,823,891.10 = 1,919,937.08/x - Step 3: Cross multiply
3,216,418.76x = 4,823,891.10 × 1,919,937.08 - Step 4: Simplify right side
3,216,418.76x = 9,261,567,392,771.99 - Step 5: Solve for x
x = 9,261,567,392,771.99/3,216,418.76 - Step 6: Final answer
x = 2,879,465.67
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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.