Finding the Fourth Proportional to 5,126,758.52, 7,074,786.84 and 2,834,840.84
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Solution
The fourth proportional to 5,126,758.52, 7,074,786.84 and 2,834,840.84 is: 3,912,002.99
Step by Step Solution
- Step 1: Write the proportion equation
5,126,758.52 : 7,074,786.84 = 2,834,840.84 : x - Step 2: Convert to fraction form
5,126,758.52/7,074,786.84 = 2,834,840.84/x - Step 3: Cross multiply
5,126,758.52x = 7,074,786.84 × 2,834,840.84 - Step 4: Simplify right side
5,126,758.52x = 20,055,894,668,326.54 - Step 5: Solve for x
x = 20,055,894,668,326.54/5,126,758.52 - Step 6: Final answer
x = 3,912,002.99
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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.