Finding the Fourth Proportional to 5,776,583.58, 7,971,806.97 and 3,163,197.78
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Solution
The fourth proportional to 5,776,583.58, 7,971,806.97 and 3,163,197.78 is: 4,365,279.54
Step by Step Solution
- Step 1: Write the proportion equation
5,776,583.58 : 7,971,806.97 = 3,163,197.78 : x - Step 2: Convert to fraction form
5,776,583.58/7,971,806.97 = 3,163,197.78/x - Step 3: Cross multiply
5,776,583.58x = 7,971,806.97 × 3,163,197.78 - Step 4: Simplify right side
5,776,583.58x = 25,216,402,110,092.52 - Step 5: Solve for x
x = 25,216,402,110,092.52/5,776,583.58 - Step 6: Final answer
x = 4,365,279.54
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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.