Finding the Fourth Proportional to 4,915,357.83, 7,367,921.37 and 2,753,213.09
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Solution
The fourth proportional to 4,915,357.83, 7,367,921.37 and 2,753,213.09 is: 4,126,954.38
Step by Step Solution
- Step 1: Write the proportion equation
4,915,357.83 : 7,367,921.37 = 2,753,213.09 : x - Step 2: Convert to fraction form
4,915,357.83/7,367,921.37 = 2,753,213.09/x - Step 3: Cross multiply
4,915,357.83x = 7,367,921.37 × 2,753,213.09 - Step 4: Simplify right side
4,915,357.83x = 20,285,457,525,135.12 - Step 5: Solve for x
x = 20,285,457,525,135.12/4,915,357.83 - Step 6: Final answer
x = 4,126,954.38
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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.