Finding the Fourth Proportional to 6,392,626.14, 9,589,431.28 and 2,132,787.54
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Solution
The fourth proportional to 6,392,626.14, 9,589,431.28 and 2,132,787.54 is: 3,199,345.48
Step by Step Solution
- Step 1: Write the proportion equation
6,392,626.14 : 9,589,431.28 = 2,132,787.54 : x - Step 2: Convert to fraction form
6,392,626.14/9,589,431.28 = 2,132,787.54/x - Step 3: Cross multiply
6,392,626.14x = 9,589,431.28 × 2,132,787.54 - Step 4: Simplify right side
6,392,626.14x = 20,452,219,549,670.25 - Step 5: Solve for x
x = 20,452,219,549,670.25/6,392,626.14 - Step 6: Final answer
x = 3,199,345.48
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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.