Finding the Fourth Proportional to 2,176,272.20, 3,264,408.30 and 1,168,502.60
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Solution
The fourth proportional to 2,176,272.20, 3,264,408.30 and 1,168,502.60 is: 1,752,753.90
Step by Step Solution
- Step 1: Write the proportion equation
2,176,272.20 : 3,264,408.30 = 1,168,502.60 : x - Step 2: Convert to fraction form
2,176,272.20/3,264,408.30 = 1,168,502.60/x - Step 3: Cross multiply
2,176,272.20x = 3,264,408.30 × 1,168,502.60 - Step 4: Simplify right side
2,176,272.20x = 3,814,469,586,011.58 - Step 5: Solve for x
x = 3,814,469,586,011.58/2,176,272.20 - Step 6: Final answer
x = 1,752,753.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.