Finding the Fourth Proportional to 2,819,421.26, 3,890,697.26 and 1,530,233.97
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Solution
The fourth proportional to 2,819,421.26, 3,890,697.26 and 1,530,233.97 is: 2,111,666.39
Step by Step Solution
- Step 1: Write the proportion equation
2,819,421.26 : 3,890,697.26 = 1,530,233.97 : x - Step 2: Convert to fraction form
2,819,421.26/3,890,697.26 = 1,530,233.97/x - Step 3: Cross multiply
2,819,421.26x = 3,890,697.26 × 1,530,233.97 - Step 4: Simplify right side
2,819,421.26x = 5,953,677,106,586.75 - Step 5: Solve for x
x = 5,953,677,106,586.75/2,819,421.26 - Step 6: Final answer
x = 2,111,666.39
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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.