Home / 2,813,448.60-4,220,172.90-1,396,272.60

Finding the Fourth Proportional to 2,813,448.60, 4,220,172.90 and 1,396,272.60

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Solution

The fourth proportional to 2,813,448.60, 4,220,172.90 and 1,396,272.60 is: 2,094,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813,448.60 : 4,220,172.90 = 1,396,272.60 : x
  2. Step 2: Convert to fraction form
    2,813,448.60/4,220,172.90 = 1,396,272.60/x
  3. Step 3: Cross multiply
    2,813,448.60x = 4,220,172.90 × 1,396,272.60
  4. Step 4: Simplify right side
    2,813,448.60x = 5,892,511,787,532.54
  5. Step 5: Solve for x
    x = 5,892,511,787,532.54/2,813,448.60
  6. Step 6: Final answer
    x = 2,094,408.90

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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.