Finding the Fourth Proportional to 5,693,930.09, 7,857,623.52 and 3,115,610.87
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Solution
The fourth proportional to 5,693,930.09, 7,857,623.52 and 3,115,610.87 is: 4,299,542.99
Step by Step Solution
- Step 1: Write the proportion equation
5,693,930.09 : 7,857,623.52 = 3,115,610.87 : x - Step 2: Convert to fraction form
5,693,930.09/7,857,623.52 = 3,115,610.87/x - Step 3: Cross multiply
5,693,930.09x = 7,857,623.52 × 3,115,610.87 - Step 4: Simplify right side
5,693,930.09x = 24,481,297,211,991.55 - Step 5: Solve for x
x = 24,481,297,211,991.55/5,693,930.09 - Step 6: Final answer
x = 4,299,542.99
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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.