Finding the Fourth Proportional to 2,352,717.52, 3,246,184.20 and 1,385,771.92
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Solution
The fourth proportional to 2,352,717.52, 3,246,184.20 and 1,385,771.92 is: 1,912,031.88
Step by Step Solution
- Step 1: Write the proportion equation
2,352,717.52 : 3,246,184.20 = 1,385,771.92 : x - Step 2: Convert to fraction form
2,352,717.52/3,246,184.20 = 1,385,771.92/x - Step 3: Cross multiply
2,352,717.52x = 3,246,184.20 × 1,385,771.92 - Step 4: Simplify right side
2,352,717.52x = 4,498,470,911,507.66 - Step 5: Solve for x
x = 4,498,470,911,507.66/2,352,717.52 - Step 6: Final answer
x = 1,912,031.88
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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.