Finding the Fourth Proportional to 1,622,203.72, 2,434,768.10 and 864,676.12
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Solution
The fourth proportional to 1,622,203.72, 2,434,768.10 and 864,676.12 is: 1,297,793.74
Step by Step Solution
- Step 1: Write the proportion equation
1,622,203.72 : 2,434,768.10 = 864,676.12 : x - Step 2: Convert to fraction form
1,622,203.72/2,434,768.10 = 864,676.12/x - Step 3: Cross multiply
1,622,203.72x = 2,434,768.10 × 864,676.12 - Step 4: Simplify right side
1,622,203.72x = 2,105,285,833,807.77 - Step 5: Solve for x
x = 2,105,285,833,807.77/1,622,203.72 - Step 6: Final answer
x = 1,297,793.74
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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.