Finding the Fourth Proportional to 4,212,045.29, 5,812,122.97 and 2,376,396.56
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Solution
The fourth proportional to 4,212,045.29, 5,812,122.97 and 2,376,396.56 is: 3,279,145.42
Step by Step Solution
- Step 1: Write the proportion equation
4,212,045.29 : 5,812,122.97 = 2,376,396.56 : x - Step 2: Convert to fraction form
4,212,045.29/5,812,122.97 = 2,376,396.56/x - Step 3: Cross multiply
4,212,045.29x = 5,812,122.97 × 2,376,396.56 - Step 4: Simplify right side
4,212,045.29x = 13,811,909,032,204.98 - Step 5: Solve for x
x = 13,811,909,032,204.98/4,212,045.29 - Step 6: Final answer
x = 3,279,145.42
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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.