Finding the Fourth Proportional to 3,746,761.72, 5,170,656.36 and 2,296,176.86
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Solution
The fourth proportional to 3,746,761.72, 5,170,656.36 and 2,296,176.86 is: 3,168,800.79
Step by Step Solution
- Step 1: Write the proportion equation
3,746,761.72 : 5,170,656.36 = 2,296,176.86 : x - Step 2: Convert to fraction form
3,746,761.72/5,170,656.36 = 2,296,176.86/x - Step 3: Cross multiply
3,746,761.72x = 5,170,656.36 × 2,296,176.86 - Step 4: Simplify right side
3,746,761.72x = 11,872,741,506,381.13 - Step 5: Solve for x
x = 11,872,741,506,381.13/3,746,761.72 - Step 6: Final answer
x = 3,168,800.79
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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.