Home / 2,043,121.20-3,066,431.40-907,630.80

Finding the Fourth Proportional to 2,043,121.20, 3,066,431.40 and 907,630.80

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Solution

The fourth proportional to 2,043,121.20, 3,066,431.40 and 907,630.80 is: 1,362,223.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043,121.20 : 3,066,431.40 = 907,630.80 : x
  2. Step 2: Convert to fraction form
    2,043,121.20/3,066,431.40 = 907,630.80/x
  3. Step 3: Cross multiply
    2,043,121.20x = 3,066,431.40 × 907,630.80
  4. Step 4: Simplify right side
    2,043,121.20x = 2,783,187,584,727.12
  5. Step 5: Solve for x
    x = 2,783,187,584,727.12/2,043,121.20
  6. Step 6: Final answer
    x = 1,362,223.44

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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.