Finding the Fourth Proportional to 5,160,066.44, 7,741,033.91 and 2,125,746.09
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Solution
The fourth proportional to 5,160,066.44, 7,741,033.91 and 2,125,746.09 is: 3,189,004.01
Step by Step Solution
- Step 1: Write the proportion equation
5,160,066.44 : 7,741,033.91 = 2,125,746.09 : x - Step 2: Convert to fraction form
5,160,066.44/7,741,033.91 = 2,125,746.09/x - Step 3: Cross multiply
5,160,066.44x = 7,741,033.91 × 2,125,746.09 - Step 4: Simplify right side
5,160,066.44x = 16,455,472,556,111.18 - Step 5: Solve for x
x = 16,455,472,556,111.18/5,160,066.44 - Step 6: Final answer
x = 3,189,004.01
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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.