Finding the Fourth Proportional to 2,146,648.12, 2,962,311.70 and 1,228,846.84
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Solution
The fourth proportional to 2,146,648.12, 2,962,311.70 and 1,228,846.84 is: 1,695,772.74
Step by Step Solution
- Step 1: Write the proportion equation
2,146,648.12 : 2,962,311.70 = 1,228,846.84 : x - Step 2: Convert to fraction form
2,146,648.12/2,962,311.70 = 1,228,846.84/x - Step 3: Cross multiply
2,146,648.12x = 2,962,311.70 × 1,228,846.84 - Step 4: Simplify right side
2,146,648.12x = 3,640,227,371,640.03 - Step 5: Solve for x
x = 3,640,227,371,640.03/2,146,648.12 - Step 6: Final answer
x = 1,695,772.74
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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.