Home / 3,429,168.10-5,138,503.35-3,240,211.30

Finding the Fourth Proportional to 3,429,168.10, 5,138,503.35 and 3,240,211.30

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Solution

The fourth proportional to 3,429,168.10, 5,138,503.35 and 3,240,211.30 is: 4,855,357.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429,168.10 : 5,138,503.35 = 3,240,211.30 : x
  2. Step 2: Convert to fraction form
    3,429,168.10/5,138,503.35 = 3,240,211.30/x
  3. Step 3: Cross multiply
    3,429,168.10x = 5,138,503.35 × 3,240,211.30
  4. Step 4: Simplify right side
    3,429,168.10x = 16,649,836,619,757.85
  5. Step 5: Solve for x
    x = 16,649,836,619,757.85/3,429,168.10
  6. Step 6: Final answer
    x = 4,855,357.37

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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.