Finding the Fourth Proportional to 3,412,818.21, 5,119,241.34 and 854,026.19
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Solution
The fourth proportional to 3,412,818.21, 5,119,241.34 and 854,026.19 is: 1,281,042.79
Step by Step Solution
- Step 1: Write the proportion equation
3,412,818.21 : 5,119,241.34 = 854,026.19 : x - Step 2: Convert to fraction form
3,412,818.21/5,119,241.34 = 854,026.19/x - Step 3: Cross multiply
3,412,818.21x = 5,119,241.34 × 854,026.19 - Step 4: Simplify right side
3,412,818.21x = 4,371,966,147,424.36 - Step 5: Solve for x
x = 4,371,966,147,424.36/3,412,818.21 - Step 6: Final answer
x = 1,281,042.79
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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.