Finding the Fourth Proportional to 6,474,589.74, 8,937,594.36 and 4,416,399.18
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Solution
The fourth proportional to 6,474,589.74, 8,937,594.36 and 4,416,399.18 is: 6,096,445.64
Step by Step Solution
- Step 1: Write the proportion equation
6,474,589.74 : 8,937,594.36 = 4,416,399.18 : x - Step 2: Convert to fraction form
6,474,589.74/8,937,594.36 = 4,416,399.18/x - Step 3: Cross multiply
6,474,589.74x = 8,937,594.36 × 4,416,399.18 - Step 4: Simplify right side
6,474,589.74x = 39,471,984,402,676.62 - Step 5: Solve for x
x = 39,471,984,402,676.62/6,474,589.74 - Step 6: Final answer
x = 6,096,445.64
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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.