Finding the Fourth Proportional to 4,188,295.20, 6,283,335.60 and 2,392,039.20
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Solution
The fourth proportional to 4,188,295.20, 6,283,335.60 and 2,392,039.20 is: 3,588,568.70
Step by Step Solution
- Step 1: Write the proportion equation
4,188,295.20 : 6,283,335.60 = 2,392,039.20 : x - Step 2: Convert to fraction form
4,188,295.20/6,283,335.60 = 2,392,039.20/x - Step 3: Cross multiply
4,188,295.20x = 6,283,335.60 × 2,392,039.20 - Step 4: Simplify right side
4,188,295.20x = 15,029,985,061,955.52 - Step 5: Solve for x
x = 15,029,985,061,955.52/4,188,295.20 - Step 6: Final answer
x = 3,588,568.70
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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.