Finding the Fourth Proportional to 2,128,804.11, 3,193,714.58 and 708,872.49
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Solution
The fourth proportional to 2,128,804.11, 3,193,714.58 and 708,872.49 is: 1,063,478.03
Step by Step Solution
- Step 1: Write the proportion equation
2,128,804.11 : 3,193,714.58 = 708,872.49 : x - Step 2: Convert to fraction form
2,128,804.11/3,193,714.58 = 708,872.49/x - Step 3: Cross multiply
2,128,804.11x = 3,193,714.58 × 708,872.49 - Step 4: Simplify right side
2,128,804.11x = 2,263,936,403,129.54 - Step 5: Solve for x
x = 2,263,936,403,129.54/2,128,804.11 - Step 6: Final answer
x = 1,063,478.03
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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.