Finding the Fourth Proportional to 5,768,964.96, 7,960,481.20 and 3,190,295.52
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Solution
The fourth proportional to 5,768,964.96, 7,960,481.20 and 3,190,295.52 is: 4,402,225.99
Step by Step Solution
- Step 1: Write the proportion equation
5,768,964.96 : 7,960,481.20 = 3,190,295.52 : x - Step 2: Convert to fraction form
5,768,964.96/7,960,481.20 = 3,190,295.52/x - Step 3: Cross multiply
5,768,964.96x = 7,960,481.20 × 3,190,295.52 - Step 4: Simplify right side
5,768,964.96x = 25,396,287,509,404.23 - Step 5: Solve for x
x = 25,396,287,509,404.23/5,768,964.96 - Step 6: Final answer
x = 4,402,225.99
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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.