Finding the Fourth Proportional to 6,454,245.84, 8,909,615.64 and 4,594,861.68
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Solution
The fourth proportional to 6,454,245.84, 8,909,615.64 and 4,594,861.68 is: 6,342,871.42
Step by Step Solution
- Step 1: Write the proportion equation
6,454,245.84 : 8,909,615.64 = 4,594,861.68 : x - Step 2: Convert to fraction form
6,454,245.84/8,909,615.64 = 4,594,861.68/x - Step 3: Cross multiply
6,454,245.84x = 8,909,615.64 × 4,594,861.68 - Step 4: Simplify right side
6,454,245.84x = 40,938,451,487,764.67 - Step 5: Solve for x
x = 40,938,451,487,764.67/6,454,245.84 - Step 6: Final answer
x = 6,342,871.42
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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.