Finding the Fourth Proportional to 3,474,187.47, 5,211,976.95 and 1,199,794.95
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Solution
The fourth proportional to 3,474,187.47, 5,211,976.95 and 1,199,794.95 is: 1,799,932.70
Step by Step Solution
- Step 1: Write the proportion equation
3,474,187.47 : 5,211,976.95 = 1,199,794.95 : x - Step 2: Convert to fraction form
3,474,187.47/5,211,976.95 = 1,199,794.95/x - Step 3: Cross multiply
3,474,187.47x = 5,211,976.95 × 1,199,794.95 - Step 4: Simplify right side
3,474,187.47x = 6,253,303,624,126.40 - Step 5: Solve for x
x = 6,253,303,624,126.40/3,474,187.47 - Step 6: Final answer
x = 1,799,932.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.