Finding the Fourth Proportional to 2,805,876.64, 3,866,818.74 and 2,030,194.12
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Solution
The fourth proportional to 2,805,876.64, 3,866,818.74 and 2,030,194.12 is: 2,797,839.56
Step by Step Solution
- Step 1: Write the proportion equation
2,805,876.64 : 3,866,818.74 = 2,030,194.12 : x - Step 2: Convert to fraction form
2,805,876.64/3,866,818.74 = 2,030,194.12/x - Step 3: Cross multiply
2,805,876.64x = 3,866,818.74 × 2,030,194.12 - Step 4: Simplify right side
2,805,876.64x = 7,850,392,669,053.81 - Step 5: Solve for x
x = 7,850,392,669,053.81/2,805,876.64 - Step 6: Final answer
x = 2,797,839.56
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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.