Home / 3,780,642.87-5,217,794.55-2,404,123.20

Finding the Fourth Proportional to 3,780,642.87, 5,217,794.55 and 2,404,123.20

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Solution

The fourth proportional to 3,780,642.87, 5,217,794.55 and 2,404,123.20 is: 3,318,012.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,642.87 : 5,217,794.55 = 2,404,123.20 : x
  2. Step 2: Convert to fraction form
    3,780,642.87/5,217,794.55 = 2,404,123.20/x
  3. Step 3: Cross multiply
    3,780,642.87x = 5,217,794.55 × 2,404,123.20
  4. Step 4: Simplify right side
    3,780,642.87x = 12,544,220,930,488.56
  5. Step 5: Solve for x
    x = 12,544,220,930,488.56/3,780,642.87
  6. Step 6: Final answer
    x = 3,318,012.67

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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.