Finding the Fourth Proportional to 4,113,251.14, 6,169,810.47 and 1,121,435.14
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Solution
The fourth proportional to 4,113,251.14, 6,169,810.47 and 1,121,435.14 is: 1,682,134.65
Step by Step Solution
- Step 1: Write the proportion equation
4,113,251.14 : 6,169,810.47 = 1,121,435.14 : x - Step 2: Convert to fraction form
4,113,251.14/6,169,810.47 = 1,121,435.14/x - Step 3: Cross multiply
4,113,251.14x = 6,169,810.47 × 1,121,435.14 - Step 4: Simplify right side
4,113,251.14x = 6,919,042,268,197.92 - Step 5: Solve for x
x = 6,919,042,268,197.92/4,113,251.14 - Step 6: Final answer
x = 1,682,134.65
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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.