Finding the Fourth Proportional to 5,093,199.70, 7,028,748.56 and 2,801,420.54
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Solution
The fourth proportional to 5,093,199.70, 7,028,748.56 and 2,801,420.54 is: 3,866,033.49
Step by Step Solution
- Step 1: Write the proportion equation
5,093,199.70 : 7,028,748.56 = 2,801,420.54 : x - Step 2: Convert to fraction form
5,093,199.70/7,028,748.56 = 2,801,420.54/x - Step 3: Cross multiply
5,093,199.70x = 7,028,748.56 × 2,801,420.54 - Step 4: Simplify right side
5,093,199.70x = 19,690,480,586,479.42 - Step 5: Solve for x
x = 19,690,480,586,479.42/5,093,199.70 - Step 6: Final answer
x = 3,866,033.49
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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.