Home / 1,979,974.20-2,970,012.51-632,135.64

Finding the Fourth Proportional to 1,979,974.20, 2,970,012.51 and 632,135.64

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Solution

The fourth proportional to 1,979,974.20, 2,970,012.51 and 632,135.64 is: 948,219.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,974.20 : 2,970,012.51 = 632,135.64 : x
  2. Step 2: Convert to fraction form
    1,979,974.20/2,970,012.51 = 632,135.64/x
  3. Step 3: Cross multiply
    1,979,974.20x = 2,970,012.51 × 632,135.64
  4. Step 4: Simplify right side
    1,979,974.20x = 1,877,450,758,816.86
  5. Step 5: Solve for x
    x = 1,877,450,758,816.86/1,979,974.20
  6. Step 6: Final answer
    x = 948,219.81

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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.