Finding the Fourth Proportional to 4,991,257.75, 6,887,935.69 and 2,699,418.44
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Solution
The fourth proportional to 4,991,257.75, 6,887,935.69 and 2,699,418.44 is: 3,725,197.44
Step by Step Solution
- Step 1: Write the proportion equation
4,991,257.75 : 6,887,935.69 = 2,699,418.44 : x - Step 2: Convert to fraction form
4,991,257.75/6,887,935.69 = 2,699,418.44/x - Step 3: Cross multiply
4,991,257.75x = 6,887,935.69 × 2,699,418.44 - Step 4: Simplify right side
4,991,257.75x = 18,593,420,615,120.12 - Step 5: Solve for x
x = 18,593,420,615,120.12/4,991,257.75 - Step 6: Final answer
x = 3,725,197.44
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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.