Finding the Fourth Proportional to 2,042,152.70, 2,818,124.07 and 1,278,627.26
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Solution
The fourth proportional to 2,042,152.70, 2,818,124.07 and 1,278,627.26 is: 1,764,476.41
Step by Step Solution
- Step 1: Write the proportion equation
2,042,152.70 : 2,818,124.07 = 1,278,627.26 : x - Step 2: Convert to fraction form
2,042,152.70/2,818,124.07 = 1,278,627.26/x - Step 3: Cross multiply
2,042,152.70x = 2,818,124.07 × 1,278,627.26 - Step 4: Simplify right side
2,042,152.70x = 3,603,330,257,964.15 - Step 5: Solve for x
x = 3,603,330,257,964.15/2,042,152.70 - Step 6: Final answer
x = 1,764,476.41
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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.