Finding the Fourth Proportional to 3,717,537.12, 5,120,642.24 and 2,627,934.88
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Solution
The fourth proportional to 3,717,537.12, 5,120,642.24 and 2,627,934.88 is: 3,619,792.87
Step by Step Solution
- Step 1: Write the proportion equation
3,717,537.12 : 5,120,642.24 = 2,627,934.88 : x - Step 2: Convert to fraction form
3,717,537.12/5,120,642.24 = 2,627,934.88/x - Step 3: Cross multiply
3,717,537.12x = 5,120,642.24 × 2,627,934.88 - Step 4: Simplify right side
3,717,537.12x = 13,456,714,350,497.33 - Step 5: Solve for x
x = 13,456,714,350,497.33/3,717,537.12 - Step 6: Final answer
x = 3,619,792.87
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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.