Home / 2,101,204.16-3,151,875.36-681,272

Finding the Fourth Proportional to 2,101,204.16, 3,151,875.36 and 681,272

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Solution

The fourth proportional to 2,101,204.16, 3,151,875.36 and 681,272 is: 1,021,930.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,204.16 : 3,151,875.36 = 681,272 : x
  2. Step 2: Convert to fraction form
    2,101,204.16/3,151,875.36 = 681,272/x
  3. Step 3: Cross multiply
    2,101,204.16x = 3,151,875.36 × 681,272
  4. Step 4: Simplify right side
    2,101,204.16x = 2,147,284,430,257.92
  5. Step 5: Solve for x
    x = 2,147,284,430,257.92/2,101,204.16
  6. Step 6: Final answer
    x = 1,021,930.41

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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.