Home / 2,309,263.20-3,454,563.60-1,997,186.40

Finding the Fourth Proportional to 2,309,263.20, 3,454,563.60 and 1,997,186.40

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Solution

The fourth proportional to 2,309,263.20, 3,454,563.60 and 1,997,186.40 is: 2,987,709.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,263.20 : 3,454,563.60 = 1,997,186.40 : x
  2. Step 2: Convert to fraction form
    2,309,263.20/3,454,563.60 = 1,997,186.40/x
  3. Step 3: Cross multiply
    2,309,263.20x = 3,454,563.60 × 1,997,186.40
  4. Step 4: Simplify right side
    2,309,263.20x = 6,899,407,439,855.04
  5. Step 5: Solve for x
    x = 6,899,407,439,855.04/2,309,263.20
  6. Step 6: Final answer
    x = 2,987,709.43

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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.