Home / 3,111,504.10-4,667,256.15-2,780,829.70

Finding the Fourth Proportional to 3,111,504.10, 4,667,256.15 and 2,780,829.70

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Solution

The fourth proportional to 3,111,504.10, 4,667,256.15 and 2,780,829.70 is: 4,171,244.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,504.10 : 4,667,256.15 = 2,780,829.70 : x
  2. Step 2: Convert to fraction form
    3,111,504.10/4,667,256.15 = 2,780,829.70/x
  3. Step 3: Cross multiply
    3,111,504.10x = 4,667,256.15 × 2,780,829.70
  4. Step 4: Simplify right side
    3,111,504.10x = 12,978,844,519,427.66
  5. Step 5: Solve for x
    x = 12,978,844,519,427.66/3,111,504.10
  6. Step 6: Final answer
    x = 4,171,244.55

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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.