Finding the Fourth Proportional to 5,481,605.32, 8,219,078.42 and 2,745,971.26
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Solution
The fourth proportional to 5,481,605.32, 8,219,078.42 and 2,745,971.26 is: 4,117,288.97
Step by Step Solution
- Step 1: Write the proportion equation
5,481,605.32 : 8,219,078.42 = 2,745,971.26 : x - Step 2: Convert to fraction form
5,481,605.32/8,219,078.42 = 2,745,971.26/x - Step 3: Cross multiply
5,481,605.32x = 8,219,078.42 × 2,745,971.26 - Step 4: Simplify right side
5,481,605.32x = 22,569,353,125,006.21 - Step 5: Solve for x
x = 22,569,353,125,006.21/5,481,605.32 - Step 6: Final answer
x = 4,117,288.97
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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.