Home / 3,919,506.16-5,408,735.76-2,177,288.50

Finding the Fourth Proportional to 3,919,506.16, 5,408,735.76 and 2,177,288.50

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Solution

The fourth proportional to 3,919,506.16, 5,408,735.76 and 2,177,288.50 is: 3,004,556.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,506.16 : 5,408,735.76 = 2,177,288.50 : x
  2. Step 2: Convert to fraction form
    3,919,506.16/5,408,735.76 = 2,177,288.50/x
  3. Step 3: Cross multiply
    3,919,506.16x = 5,408,735.76 × 2,177,288.50
  4. Step 4: Simplify right side
    3,919,506.16x = 11,776,378,169,786.76
  5. Step 5: Solve for x
    x = 11,776,378,169,786.76/3,919,506.16
  6. Step 6: Final answer
    x = 3,004,556.62

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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.