Home / 2,012,947.20-2,777,614.54-1,360,991.57

Finding the Fourth Proportional to 2,012,947.20, 2,777,614.54 and 1,360,991.57

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Solution

The fourth proportional to 2,012,947.20, 2,777,614.54 and 1,360,991.57 is: 1,877,997.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,947.20 : 2,777,614.54 = 1,360,991.57 : x
  2. Step 2: Convert to fraction form
    2,012,947.20/2,777,614.54 = 1,360,991.57/x
  3. Step 3: Cross multiply
    2,012,947.20x = 2,777,614.54 × 1,360,991.57
  4. Step 4: Simplify right side
    2,012,947.20x = 3,780,309,956,358.88
  5. Step 5: Solve for x
    x = 3,780,309,956,358.88/2,012,947.20
  6. Step 6: Final answer
    x = 1,877,997.57

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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.