Home / 5,220,358.19-7,204,005.91-2,928,469.67

Finding the Fourth Proportional to 5,220,358.19, 7,204,005.91 and 2,928,469.67

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Solution

The fourth proportional to 5,220,358.19, 7,204,005.91 and 2,928,469.67 is: 4,041,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,358.19 : 7,204,005.91 = 2,928,469.67 : x
  2. Step 2: Convert to fraction form
    5,220,358.19/7,204,005.91 = 2,928,469.67/x
  3. Step 3: Cross multiply
    5,220,358.19x = 7,204,005.91 × 2,928,469.67
  4. Step 4: Simplify right side
    5,220,358.19x = 21,096,712,809,935.75
  5. Step 5: Solve for x
    x = 21,096,712,809,935.75/5,220,358.19
  6. Step 6: Final answer
    x = 4,041,238.56

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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.