Finding the Fourth Proportional to 4,942,861.36, 7,400,911.06 and 3,497,604.28
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Solution
The fourth proportional to 4,942,861.36, 7,400,911.06 and 3,497,604.28 is: 5,236,937.94
Step by Step Solution
- Step 1: Write the proportion equation
4,942,861.36 : 7,400,911.06 = 3,497,604.28 : x - Step 2: Convert to fraction form
4,942,861.36/7,400,911.06 = 3,497,604.28/x - Step 3: Cross multiply
4,942,861.36x = 7,400,911.06 × 3,497,604.28 - Step 4: Simplify right side
4,942,861.36x = 25,885,458,199,355.33 - Step 5: Solve for x
x = 25,885,458,199,355.33/4,942,861.36 - Step 6: Final answer
x = 5,236,937.94
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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.