Home / 2,016,820.78-3,025,237.20-520,912.78

Finding the Fourth Proportional to 2,016,820.78, 3,025,237.20 and 520,912.78

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Solution

The fourth proportional to 2,016,820.78, 3,025,237.20 and 520,912.78 is: 781,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016,820.78 : 3,025,237.20 = 520,912.78 : x
  2. Step 2: Convert to fraction form
    2,016,820.78/3,025,237.20 = 520,912.78/x
  3. Step 3: Cross multiply
    2,016,820.78x = 3,025,237.20 × 520,912.78
  4. Step 4: Simplify right side
    2,016,820.78x = 1,575,884,720,011.42
  5. Step 5: Solve for x
    x = 1,575,884,720,011.42/2,016,820.78
  6. Step 6: Final answer
    x = 781,370.73

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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.