Finding the Fourth Proportional to 4,722,638.56, 6,517,048.08 and 2,789,524.96
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Solution
The fourth proportional to 4,722,638.56, 6,517,048.08 and 2,789,524.96 is: 3,849,430.37
Step by Step Solution
- Step 1: Write the proportion equation
4,722,638.56 : 6,517,048.08 = 2,789,524.96 : x - Step 2: Convert to fraction form
4,722,638.56/6,517,048.08 = 2,789,524.96/x - Step 3: Cross multiply
4,722,638.56x = 6,517,048.08 × 2,789,524.96 - Step 4: Simplify right side
4,722,638.56x = 18,179,468,284,680.08 - Step 5: Solve for x
x = 18,179,468,284,680.08/4,722,638.56 - Step 6: Final answer
x = 3,849,430.37
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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.