Home / 2,021,178-2,789,231.04-1,115,760

Finding the Fourth Proportional to 2,021,178, 2,789,231.04 and 1,115,760

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Solution

The fourth proportional to 2,021,178, 2,789,231.04 and 1,115,760 is: 1,539,751.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,178 : 2,789,231.04 = 1,115,760 : x
  2. Step 2: Convert to fraction form
    2,021,178/2,789,231.04 = 1,115,760/x
  3. Step 3: Cross multiply
    2,021,178x = 2,789,231.04 × 1,115,760
  4. Step 4: Simplify right side
    2,021,178x = 3,112,112,425,190.40
  5. Step 5: Solve for x
    x = 3,112,112,425,190.40/2,021,178
  6. Step 6: Final answer
    x = 1,539,751.78

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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.