Finding the Fourth Proportional to 5,743,559.94, 7,926,278.81 and 3,165,406.80
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Solution
The fourth proportional to 5,743,559.94, 7,926,278.81 and 3,165,406.80 is: 4,368,352.92
Step by Step Solution
- Step 1: Write the proportion equation
5,743,559.94 : 7,926,278.81 = 3,165,406.80 : x - Step 2: Convert to fraction form
5,743,559.94/7,926,278.81 = 3,165,406.80/x - Step 3: Cross multiply
5,743,559.94x = 7,926,278.81 × 3,165,406.80 - Step 4: Simplify right side
5,743,559.94x = 25,089,896,828,042.87 - Step 5: Solve for x
x = 25,089,896,828,042.87/5,743,559.94 - Step 6: Final answer
x = 4,368,352.92
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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.