Finding the Fourth Proportional to 3,967,580.20, 5,951,370.30 and 2,074,901.80
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Solution
The fourth proportional to 3,967,580.20, 5,951,370.30 and 2,074,901.80 is: 3,112,352.70
Step by Step Solution
- Step 1: Write the proportion equation
3,967,580.20 : 5,951,370.30 = 2,074,901.80 : x - Step 2: Convert to fraction form
3,967,580.20/5,951,370.30 = 2,074,901.80/x - Step 3: Cross multiply
3,967,580.20x = 5,951,370.30 × 2,074,901.80 - Step 4: Simplify right side
3,967,580.20x = 12,348,508,947,936.54 - Step 5: Solve for x
x = 12,348,508,947,936.54/3,967,580.20 - Step 6: Final answer
x = 3,112,352.70
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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.