Home / 1,821,155.20-2,733,385.20-923,221.60

Finding the Fourth Proportional to 1,821,155.20, 2,733,385.20 and 923,221.60

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Solution

The fourth proportional to 1,821,155.20, 2,733,385.20 and 923,221.60 is: 1,385,670.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,155.20 : 2,733,385.20 = 923,221.60 : x
  2. Step 2: Convert to fraction form
    1,821,155.20/2,733,385.20 = 923,221.60/x
  3. Step 3: Cross multiply
    1,821,155.20x = 2,733,385.20 × 923,221.60
  4. Step 4: Simplify right side
    1,821,155.20x = 2,523,520,257,760.32
  5. Step 5: Solve for x
    x = 2,523,520,257,760.32/1,821,155.20
  6. Step 6: Final answer
    x = 1,385,670.07

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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.