Finding the Fourth Proportional to 4,115,067.76, 5,678,792.58 and 2,279,644.84
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Solution
The fourth proportional to 4,115,067.76, 5,678,792.58 and 2,279,644.84 is: 3,145,909.36
Step by Step Solution
- Step 1: Write the proportion equation
4,115,067.76 : 5,678,792.58 = 2,279,644.84 : x - Step 2: Convert to fraction form
4,115,067.76/5,678,792.58 = 2,279,644.84/x - Step 3: Cross multiply
4,115,067.76x = 5,678,792.58 × 2,279,644.84 - Step 4: Simplify right side
4,115,067.76x = 12,945,630,202,427.29 - Step 5: Solve for x
x = 12,945,630,202,427.29/4,115,067.76 - Step 6: Final answer
x = 3,145,909.36
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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.