Finding the Fourth Proportional to 2,053,063.92, 2,833,112.88 and 1,135,239.60
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Solution
The fourth proportional to 2,053,063.92, 2,833,112.88 and 1,135,239.60 is: 1,566,566.88
Step by Step Solution
- Step 1: Write the proportion equation
2,053,063.92 : 2,833,112.88 = 1,135,239.60 : x - Step 2: Convert to fraction form
2,053,063.92/2,833,112.88 = 1,135,239.60/x - Step 3: Cross multiply
2,053,063.92x = 2,833,112.88 × 1,135,239.60 - Step 4: Simplify right side
2,053,063.92x = 3,216,261,932,646.05 - Step 5: Solve for x
x = 3,216,261,932,646.05/2,053,063.92 - Step 6: Final answer
x = 1,566,566.88
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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.