Finding the Fourth Proportional to 5,465,191.77, 7,542,629.55 and 3,173,352.39
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Solution
The fourth proportional to 5,465,191.77, 7,542,629.55 and 3,173,352.39 is: 4,379,612.38
Step by Step Solution
- Step 1: Write the proportion equation
5,465,191.77 : 7,542,629.55 = 3,173,352.39 : x - Step 2: Convert to fraction form
5,465,191.77/7,542,629.55 = 3,173,352.39/x - Step 3: Cross multiply
5,465,191.77x = 7,542,629.55 × 3,173,352.39 - Step 4: Simplify right side
5,465,191.77x = 23,935,421,509,377.12 - Step 5: Solve for x
x = 23,935,421,509,377.12/5,465,191.77 - Step 6: Final answer
x = 4,379,612.38
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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.