Home / 2,801,423.12-4,203,447-1,380,704.72

Finding the Fourth Proportional to 2,801,423.12, 4,203,447 and 1,380,704.72

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Solution

The fourth proportional to 2,801,423.12, 4,203,447 and 1,380,704.72 is: 2,071,703.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801,423.12 : 4,203,447 = 1,380,704.72 : x
  2. Step 2: Convert to fraction form
    2,801,423.12/4,203,447 = 1,380,704.72/x
  3. Step 3: Cross multiply
    2,801,423.12x = 4,203,447 × 1,380,704.72
  4. Step 4: Simplify right side
    2,801,423.12x = 5,803,719,113,169.84
  5. Step 5: Solve for x
    x = 5,803,719,113,169.84/2,801,423.12
  6. Step 6: Final answer
    x = 2,071,703.87

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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.