Home / 2,110,015.72-3,165,412.38-690,147.28

Finding the Fourth Proportional to 2,110,015.72, 3,165,412.38 and 690,147.28

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Solution

The fourth proportional to 2,110,015.72, 3,165,412.38 and 690,147.28 is: 1,035,348.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110,015.72 : 3,165,412.38 = 690,147.28 : x
  2. Step 2: Convert to fraction form
    2,110,015.72/3,165,412.38 = 690,147.28/x
  3. Step 3: Cross multiply
    2,110,015.72x = 3,165,412.38 × 690,147.28
  4. Step 4: Simplify right side
    2,110,015.72x = 2,184,600,744,135.33
  5. Step 5: Solve for x
    x = 2,184,600,744,135.33/2,110,015.72
  6. Step 6: Final answer
    x = 1,035,348.09

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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.