Finding the Fourth Proportional to 3,458,348.14, 4,761,955.60 and 3,133,947.70
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Solution
The fourth proportional to 3,458,348.14, 4,761,955.60 and 3,133,947.70 is: 4,315,273.99
Step by Step Solution
- Step 1: Write the proportion equation
3,458,348.14 : 4,761,955.60 = 3,133,947.70 : x - Step 2: Convert to fraction form
3,458,348.14/4,761,955.60 = 3,133,947.70/x - Step 3: Cross multiply
3,458,348.14x = 4,761,955.60 × 3,133,947.70 - Step 4: Simplify right side
3,458,348.14x = 14,923,719,780,267.92 - Step 5: Solve for x
x = 14,923,719,780,267.92/3,458,348.14 - Step 6: Final answer
x = 4,315,273.99
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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.