Finding the Fourth Proportional to 2,753,740.36, 3,800,149.32 and 1,530,245.08
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Solution
The fourth proportional to 2,753,740.36, 3,800,149.32 and 1,530,245.08 is: 2,111,731.33
Step by Step Solution
- Step 1: Write the proportion equation
2,753,740.36 : 3,800,149.32 = 1,530,245.08 : x - Step 2: Convert to fraction form
2,753,740.36/3,800,149.32 = 1,530,245.08/x - Step 3: Cross multiply
2,753,740.36x = 3,800,149.32 × 1,530,245.08 - Step 4: Simplify right side
2,753,740.36x = 5,815,159,800,195.35 - Step 5: Solve for x
x = 5,815,159,800,195.35/2,753,740.36 - Step 6: Final answer
x = 2,111,731.33
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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.