Finding the Fourth Proportional to 4,279,618.36, 5,902,429.54 and 3,762,266.12
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Solution
The fourth proportional to 4,279,618.36, 5,902,429.54 and 3,762,266.12 is: 5,188,899.76
Step by Step Solution
- Step 1: Write the proportion equation
4,279,618.36 : 5,902,429.54 = 3,762,266.12 : x - Step 2: Convert to fraction form
4,279,618.36/5,902,429.54 = 3,762,266.12/x - Step 3: Cross multiply
4,279,618.36x = 5,902,429.54 × 3,762,266.12 - Step 4: Simplify right side
4,279,618.36x = 22,206,510,684,029.19 - Step 5: Solve for x
x = 22,206,510,684,029.19/4,279,618.36 - Step 6: Final answer
x = 5,188,899.76
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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.