Home / 2,051,921.76-3,078,213.48-631,977.36

Finding the Fourth Proportional to 2,051,921.76, 3,078,213.48 and 631,977.36

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Solution

The fourth proportional to 2,051,921.76, 3,078,213.48 and 631,977.36 is: 948,067.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051,921.76 : 3,078,213.48 = 631,977.36 : x
  2. Step 2: Convert to fraction form
    2,051,921.76/3,078,213.48 = 631,977.36/x
  3. Step 3: Cross multiply
    2,051,921.76x = 3,078,213.48 × 631,977.36
  4. Step 4: Simplify right side
    2,051,921.76x = 1,945,361,228,606.81
  5. Step 5: Solve for x
    x = 1,945,361,228,606.81/2,051,921.76
  6. Step 6: Final answer
    x = 948,067.94

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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.