Finding the Fourth Proportional to 2,319,672.74, 3,201,165.77 and 1,287,184.57
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Solution
The fourth proportional to 2,319,672.74, 3,201,165.77 and 1,287,184.57 is: 1,776,324.35
Step by Step Solution
- Step 1: Write the proportion equation
2,319,672.74 : 3,201,165.77 = 1,287,184.57 : x - Step 2: Convert to fraction form
2,319,672.74/3,201,165.77 = 1,287,184.57/x - Step 3: Cross multiply
2,319,672.74x = 3,201,165.77 × 1,287,184.57 - Step 4: Simplify right side
2,319,672.74x = 4,120,491,170,717.33 - Step 5: Solve for x
x = 4,120,491,170,717.33/2,319,672.74 - Step 6: Final answer
x = 1,776,324.35
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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.