Finding the Fourth Proportional to 3,217,562.30, 4,440,272.49 and 1,767,291.72
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Solution
The fourth proportional to 3,217,562.30, 4,440,272.49 and 1,767,291.72 is: 2,438,882.63
Step by Step Solution
- Step 1: Write the proportion equation
3,217,562.30 : 4,440,272.49 = 1,767,291.72 : x - Step 2: Convert to fraction form
3,217,562.30/4,440,272.49 = 1,767,291.72/x - Step 3: Cross multiply
3,217,562.30x = 4,440,272.49 × 1,767,291.72 - Step 4: Simplify right side
3,217,562.30x = 7,847,256,806,120.78 - Step 5: Solve for x
x = 7,847,256,806,120.78/3,217,562.30 - Step 6: Final answer
x = 2,438,882.63
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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.