Home / 2,099,452.30-3,149,485.65-679,266.70

Finding the Fourth Proportional to 2,099,452.30, 3,149,485.65 and 679,266.70

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Solution

The fourth proportional to 2,099,452.30, 3,149,485.65 and 679,266.70 is: 1,018,999.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,452.30 : 3,149,485.65 = 679,266.70 : x
  2. Step 2: Convert to fraction form
    2,099,452.30/3,149,485.65 = 679,266.70/x
  3. Step 3: Cross multiply
    2,099,452.30x = 3,149,485.65 × 679,266.70
  4. Step 4: Simplify right side
    2,099,452.30x = 2,139,340,724,172.85
  5. Step 5: Solve for x
    x = 2,139,340,724,172.85/2,099,452.30
  6. Step 6: Final answer
    x = 1,018,999.44

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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.