Finding the Fourth Proportional to 1,968,153.77, 2,953,163.78 and 1,171,010.09
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Solution
The fourth proportional to 1,968,153.77, 2,953,163.78 and 1,171,010.09 is: 1,757,070.33
Step by Step Solution
- Step 1: Write the proportion equation
1,968,153.77 : 2,953,163.78 = 1,171,010.09 : x - Step 2: Convert to fraction form
1,968,153.77/2,953,163.78 = 1,171,010.09/x - Step 3: Cross multiply
1,968,153.77x = 2,953,163.78 × 1,171,010.09 - Step 4: Simplify right side
1,968,153.77x = 3,458,184,589,721.69 - Step 5: Solve for x
x = 3,458,184,589,721.69/1,968,153.77 - Step 6: Final answer
x = 1,757,070.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.