Home / 2,736,667.20-4,105,000.80-1,319,491.20

Finding the Fourth Proportional to 2,736,667.20, 4,105,000.80 and 1,319,491.20

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Solution

The fourth proportional to 2,736,667.20, 4,105,000.80 and 1,319,491.20 is: 1,979,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736,667.20 : 4,105,000.80 = 1,319,491.20 : x
  2. Step 2: Convert to fraction form
    2,736,667.20/4,105,000.80 = 1,319,491.20/x
  3. Step 3: Cross multiply
    2,736,667.20x = 4,105,000.80 × 1,319,491.20
  4. Step 4: Simplify right side
    2,736,667.20x = 5,416,512,431,592.96
  5. Step 5: Solve for x
    x = 5,416,512,431,592.96/2,736,667.20
  6. Step 6: Final answer
    x = 1,979,236.80

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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.