Finding the Fourth Proportional to 2,773,920.68, 4,161,336.42 and 854,832.21
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Solution
The fourth proportional to 2,773,920.68, 4,161,336.42 and 854,832.21 is: 1,282,388.66
Step by Step Solution
- Step 1: Write the proportion equation
2,773,920.68 : 4,161,336.42 = 854,832.21 : x - Step 2: Convert to fraction form
2,773,920.68/4,161,336.42 = 854,832.21/x - Step 3: Cross multiply
2,773,920.68x = 4,161,336.42 × 854,832.21 - Step 4: Simplify right side
2,773,920.68x = 3,557,244,408,462.09 - Step 5: Solve for x
x = 3,557,244,408,462.09/2,773,920.68 - Step 6: Final answer
x = 1,282,388.66
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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.