Home / 2,199,141.20-3,297,545.40-779,243.60

Finding the Fourth Proportional to 2,199,141.20, 3,297,545.40 and 779,243.60

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Solution

The fourth proportional to 2,199,141.20, 3,297,545.40 and 779,243.60 is: 1,168,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,141.20 : 3,297,545.40 = 779,243.60 : x
  2. Step 2: Convert to fraction form
    2,199,141.20/3,297,545.40 = 779,243.60/x
  3. Step 3: Cross multiply
    2,199,141.20x = 3,297,545.40 × 779,243.60
  4. Step 4: Simplify right side
    2,199,141.20x = 2,569,591,148,659.44
  5. Step 5: Solve for x
    x = 2,569,591,148,659.44/2,199,141.20
  6. Step 6: Final answer
    x = 1,168,452.10

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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.