Home / 2,016,781.78-3,025,178.70-520,873.78

Finding the Fourth Proportional to 2,016,781.78, 3,025,178.70 and 520,873.78

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Solution

The fourth proportional to 2,016,781.78, 3,025,178.70 and 520,873.78 is: 781,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016,781.78 : 3,025,178.70 = 520,873.78 : x
  2. Step 2: Convert to fraction form
    2,016,781.78/3,025,178.70 = 520,873.78/x
  3. Step 3: Cross multiply
    2,016,781.78x = 3,025,178.70 × 520,873.78
  4. Step 4: Simplify right side
    2,016,781.78x = 1,575,736,264,644.49
  5. Step 5: Solve for x
    x = 1,575,736,264,644.49/2,016,781.78
  6. Step 6: Final answer
    x = 781,312.23

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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.