Finding the Fourth Proportional to 6,081,905.34, 8,348,322.09 and 5,378,157.90
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Solution
The fourth proportional to 6,081,905.34, 8,348,322.09 and 5,378,157.90 is: 7,382,323.78
Step by Step Solution
- Step 1: Write the proportion equation
6,081,905.34 : 8,348,322.09 = 5,378,157.90 : x - Step 2: Convert to fraction form
6,081,905.34/8,348,322.09 = 5,378,157.90/x - Step 3: Cross multiply
6,081,905.34x = 8,348,322.09 × 5,378,157.90 - Step 4: Simplify right side
6,081,905.34x = 44,898,594,400,078.02 - Step 5: Solve for x
x = 44,898,594,400,078.02/6,081,905.34 - Step 6: Final answer
x = 7,382,323.78
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.