Finding the Fourth Proportional to 5,434,197.50, 8,155,337.13 and 2,195,763.32
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Solution
The fourth proportional to 5,434,197.50, 8,155,337.13 and 2,195,763.32 is: 3,295,277.75
Step by Step Solution
- Step 1: Write the proportion equation
5,434,197.50 : 8,155,337.13 = 2,195,763.32 : x - Step 2: Convert to fraction form
5,434,197.50/8,155,337.13 = 2,195,763.32/x - Step 3: Cross multiply
5,434,197.50x = 8,155,337.13 × 2,195,763.32 - Step 4: Simplify right side
5,434,197.50x = 17,907,190,091,511.39 - Step 5: Solve for x
x = 17,907,190,091,511.39/5,434,197.50 - Step 6: Final answer
x = 3,295,277.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.