Home / 1,937,229.20-2,906,880.60-872,435.60

Finding the Fourth Proportional to 1,937,229.20, 2,906,880.60 and 872,435.60

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Solution

The fourth proportional to 1,937,229.20, 2,906,880.60 and 872,435.60 is: 1,309,120.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,229.20 : 2,906,880.60 = 872,435.60 : x
  2. Step 2: Convert to fraction form
    1,937,229.20/2,906,880.60 = 872,435.60/x
  3. Step 3: Cross multiply
    1,937,229.20x = 2,906,880.60 × 872,435.60
  4. Step 4: Simplify right side
    1,937,229.20x = 2,536,066,120,389.36
  5. Step 5: Solve for x
    x = 2,536,066,120,389.36/1,937,229.20
  6. Step 6: Final answer
    x = 1,309,120.33

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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.