Finding the Fourth Proportional to 2,341,257.68, 3,230,939.08 and 1,268,167.12
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Solution
The fourth proportional to 2,341,257.68, 3,230,939.08 and 1,268,167.12 is: 1,750,072.51
Step by Step Solution
- Step 1: Write the proportion equation
2,341,257.68 : 3,230,939.08 = 1,268,167.12 : x - Step 2: Convert to fraction form
2,341,257.68/3,230,939.08 = 1,268,167.12/x - Step 3: Cross multiply
2,341,257.68x = 3,230,939.08 × 1,268,167.12 - Step 4: Simplify right side
2,341,257.68x = 4,097,370,707,979.05 - Step 5: Solve for x
x = 4,097,370,707,979.05/2,341,257.68 - Step 6: Final answer
x = 1,750,072.51
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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.