Finding the Fourth Proportional to 4,481,080.20, 6,721,609.97 and 1,920,634.92
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Solution
The fourth proportional to 4,481,080.20, 6,721,609.97 and 1,920,634.92 is: 2,880,947.95
Step by Step Solution
- Step 1: Write the proportion equation
4,481,080.20 : 6,721,609.97 = 1,920,634.92 : x - Step 2: Convert to fraction form
4,481,080.20/6,721,609.97 = 1,920,634.92/x - Step 3: Cross multiply
4,481,080.20x = 6,721,609.97 × 1,920,634.92 - Step 4: Simplify right side
4,481,080.20x = 12,909,758,831,803.74 - Step 5: Solve for x
x = 12,909,758,831,803.74/4,481,080.20 - Step 6: Final answer
x = 2,880,947.95
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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.