Finding the Fourth Proportional to 4,017,615.83, 5,545,899.80 and 2,794,631.09
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Solution
The fourth proportional to 4,017,615.83, 5,545,899.80 and 2,794,631.09 is: 3,857,696.86
Step by Step Solution
- Step 1: Write the proportion equation
4,017,615.83 : 5,545,899.80 = 2,794,631.09 : x - Step 2: Convert to fraction form
4,017,615.83/5,545,899.80 = 2,794,631.09/x - Step 3: Cross multiply
4,017,615.83x = 5,545,899.80 × 2,794,631.09 - Step 4: Simplify right side
4,017,615.83x = 15,498,743,971,881.99 - Step 5: Solve for x
x = 15,498,743,971,881.99/4,017,615.83 - Step 6: Final answer
x = 3,857,696.86
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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.