Finding the Fourth Proportional to 3,236,652.72, 4,466,558.79 and 1,786,348.14
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Solution
The fourth proportional to 3,236,652.72, 4,466,558.79 and 1,786,348.14 is: 2,465,148.31
Step by Step Solution
- Step 1: Write the proportion equation
3,236,652.72 : 4,466,558.79 = 1,786,348.14 : x - Step 2: Convert to fraction form
3,236,652.72/4,466,558.79 = 1,786,348.14/x - Step 3: Cross multiply
3,236,652.72x = 4,466,558.79 × 1,786,348.14 - Step 4: Simplify right side
3,236,652.72x = 7,978,828,986,717.15 - Step 5: Solve for x
x = 7,978,828,986,717.15/3,236,652.72 - Step 6: Final answer
x = 2,465,148.31
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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.