Finding the Fourth Proportional to 5,647,743.18, 7,793,945.94 and 3,069,424.08
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Solution
The fourth proportional to 5,647,743.18, 7,793,945.94 and 3,069,424.08 is: 4,235,838.03
Step by Step Solution
- Step 1: Write the proportion equation
5,647,743.18 : 7,793,945.94 = 3,069,424.08 : x - Step 2: Convert to fraction form
5,647,743.18/7,793,945.94 = 3,069,424.08/x - Step 3: Cross multiply
5,647,743.18x = 7,793,945.94 × 3,069,424.08 - Step 4: Simplify right side
5,647,743.18x = 23,922,925,346,454.24 - Step 5: Solve for x
x = 23,922,925,346,454.24/5,647,743.18 - Step 6: Final answer
x = 4,235,838.03
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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.