Finding the Fourth Proportional to 5,239,933.44, 7,859,899.68 and 1,453,416.48
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Solution
The fourth proportional to 5,239,933.44, 7,859,899.68 and 1,453,416.48 is: 2,180,124.59
Step by Step Solution
- Step 1: Write the proportion equation
5,239,933.44 : 7,859,899.68 = 1,453,416.48 : x - Step 2: Convert to fraction form
5,239,933.44/7,859,899.68 = 1,453,416.48/x - Step 3: Cross multiply
5,239,933.44x = 7,859,899.68 × 1,453,416.48 - Step 4: Simplify right side
5,239,933.44x = 11,423,707,726,058.73 - Step 5: Solve for x
x = 11,423,707,726,058.73/5,239,933.44 - Step 6: Final answer
x = 2,180,124.59
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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.