Finding the Fourth Proportional to 3,130,207.97, 4,323,739.07 and 2,588,531.81
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Solution
The fourth proportional to 3,130,207.97, 4,323,739.07 and 2,588,531.81 is: 3,575,524.77
Step by Step Solution
- Step 1: Write the proportion equation
3,130,207.97 : 4,323,739.07 = 2,588,531.81 : x - Step 2: Convert to fraction form
3,130,207.97/4,323,739.07 = 2,588,531.81/x - Step 3: Cross multiply
3,130,207.97x = 4,323,739.07 × 2,588,531.81 - Step 4: Simplify right side
3,130,207.97x = 11,192,136,120,834.82 - Step 5: Solve for x
x = 11,192,136,120,834.82/3,130,207.97 - Step 6: Final answer
x = 3,575,524.77
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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.