Home / 6,171,792.08-9,258,131.76-2,128,221.38

Finding the Fourth Proportional to 6,171,792.08, 9,258,131.76 and 2,128,221.38

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Solution

The fourth proportional to 6,171,792.08, 9,258,131.76 and 2,128,221.38 is: 3,192,485.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171,792.08 : 9,258,131.76 = 2,128,221.38 : x
  2. Step 2: Convert to fraction form
    6,171,792.08/9,258,131.76 = 2,128,221.38/x
  3. Step 3: Cross multiply
    6,171,792.08x = 9,258,131.76 × 2,128,221.38
  4. Step 4: Simplify right side
    6,171,792.08x = 19,703,353,997,415.69
  5. Step 5: Solve for x
    x = 19,703,353,997,415.69/6,171,792.08
  6. Step 6: Final answer
    x = 3,192,485.06

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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.