Finding the Fourth Proportional to 3,777,697.68, 5,213,240.76 and 2,146,194.57
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Solution
The fourth proportional to 3,777,697.68, 5,213,240.76 and 2,146,194.57 is: 2,961,758.71
Step by Step Solution
- Step 1: Write the proportion equation
3,777,697.68 : 5,213,240.76 = 2,146,194.57 : x - Step 2: Convert to fraction form
3,777,697.68/5,213,240.76 = 2,146,194.57/x - Step 3: Cross multiply
3,777,697.68x = 5,213,240.76 × 2,146,194.57 - Step 4: Simplify right side
3,777,697.68x = 11,188,629,011,214.67 - Step 5: Solve for x
x = 11,188,629,011,214.67/3,777,697.68 - Step 6: Final answer
x = 2,961,758.71
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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.