Finding the Fourth Proportional to 4,192,840.14, 5,789,749.23 and 3,977,605.32
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Solution
The fourth proportional to 4,192,840.14, 5,789,749.23 and 3,977,605.32 is: 5,492,538.84
Step by Step Solution
- Step 1: Write the proportion equation
4,192,840.14 : 5,789,749.23 = 3,977,605.32 : x - Step 2: Convert to fraction form
4,192,840.14/5,789,749.23 = 3,977,605.32/x - Step 3: Cross multiply
4,192,840.14x = 5,789,749.23 × 3,977,605.32 - Step 4: Simplify right side
4,192,840.14x = 23,029,337,338,713.91 - Step 5: Solve for x
x = 23,029,337,338,713.91/4,192,840.14 - Step 6: Final answer
x = 5,492,538.84
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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.