Finding the Fourth Proportional to 2,093,374.28, 2,888,845.56 and 1,175,642.12
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Solution
The fourth proportional to 2,093,374.28, 2,888,845.56 and 1,175,642.12 is: 1,622,379.98
Step by Step Solution
- Step 1: Write the proportion equation
2,093,374.28 : 2,888,845.56 = 1,175,642.12 : x - Step 2: Convert to fraction form
2,093,374.28/2,888,845.56 = 1,175,642.12/x - Step 3: Cross multiply
2,093,374.28x = 2,888,845.56 × 1,175,642.12 - Step 4: Simplify right side
2,093,374.28x = 3,396,248,518,510.99 - Step 5: Solve for x
x = 3,396,248,518,510.99/2,093,374.28 - Step 6: Final answer
x = 1,622,379.98
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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.