Finding the Fourth Proportional to 4,449,536.84, 6,138,107.34 and 2,815,191.74
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Solution
The fourth proportional to 4,449,536.84, 6,138,107.34 and 2,815,191.74 is: 3,883,538.83
Step by Step Solution
- Step 1: Write the proportion equation
4,449,536.84 : 6,138,107.34 = 2,815,191.74 : x - Step 2: Convert to fraction form
4,449,536.84/6,138,107.34 = 2,815,191.74/x - Step 3: Cross multiply
4,449,536.84x = 6,138,107.34 × 2,815,191.74 - Step 4: Simplify right side
4,449,536.84x = 17,279,949,052,110.83 - Step 5: Solve for x
x = 17,279,949,052,110.83/4,449,536.84 - Step 6: Final answer
x = 3,883,538.83
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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.