Finding the Fourth Proportional to 4,188,349.44, 6,281,776.29 and 1,114,357.92
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Solution
The fourth proportional to 4,188,349.44, 6,281,776.29 and 1,114,357.92 is: 1,671,337.90
Step by Step Solution
- Step 1: Write the proportion equation
4,188,349.44 : 6,281,776.29 = 1,114,357.92 : x - Step 2: Convert to fraction form
4,188,349.44/6,281,776.29 = 1,114,357.92/x - Step 3: Cross multiply
4,188,349.44x = 6,281,776.29 × 1,114,357.92 - Step 4: Simplify right side
4,188,349.44x = 7,000,147,160,429.72 - Step 5: Solve for x
x = 7,000,147,160,429.72/4,188,349.44 - Step 6: Final answer
x = 1,671,337.90
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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.