Finding the Fourth Proportional to 3,115,338.84, 4,299,368.26 and 1,757,182.68
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Solution
The fourth proportional to 3,115,338.84, 4,299,368.26 and 1,757,182.68 is: 2,425,025.28
Step by Step Solution
- Step 1: Write the proportion equation
3,115,338.84 : 4,299,368.26 = 1,757,182.68 : x - Step 2: Convert to fraction form
3,115,338.84/4,299,368.26 = 1,757,182.68/x - Step 3: Cross multiply
3,115,338.84x = 4,299,368.26 × 1,757,182.68 - Step 4: Simplify right side
3,115,338.84x = 7,554,775,441,413.74 - Step 5: Solve for x
x = 7,554,775,441,413.74/3,115,338.84 - Step 6: Final answer
x = 2,425,025.28
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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.