Finding the Fourth Proportional to 4,098,768.80, 6,138,311.70 and 2,201,327.60
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Solution
The fourth proportional to 4,098,768.80, 6,138,311.70 and 2,201,327.60 is: 3,296,705.82
Step by Step Solution
- Step 1: Write the proportion equation
4,098,768.80 : 6,138,311.70 = 2,201,327.60 : x - Step 2: Convert to fraction form
4,098,768.80/6,138,311.70 = 2,201,327.60/x - Step 3: Cross multiply
4,098,768.80x = 6,138,311.70 × 2,201,327.60 - Step 4: Simplify right side
4,098,768.80x = 13,512,434,962,612.92 - Step 5: Solve for x
x = 13,512,434,962,612.92/4,098,768.80 - Step 6: Final answer
x = 3,296,705.82
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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.