Finding the Fourth Proportional to 4,535,541.20, 6,793,980.60 and 2,292,942.80
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Solution
The fourth proportional to 4,535,541.20, 6,793,980.60 and 2,292,942.80 is: 3,434,696.81
Step by Step Solution
- Step 1: Write the proportion equation
4,535,541.20 : 6,793,980.60 = 2,292,942.80 : x - Step 2: Convert to fraction form
4,535,541.20/6,793,980.60 = 2,292,942.80/x - Step 3: Cross multiply
4,535,541.20x = 6,793,980.60 × 2,292,942.80 - Step 4: Simplify right side
4,535,541.20x = 15,578,208,900,109.68 - Step 5: Solve for x
x = 15,578,208,900,109.68/4,535,541.20 - Step 6: Final answer
x = 3,434,696.81
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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.