Home / 2,198,164.60-3,297,830.10-778,072.60

Finding the Fourth Proportional to 2,198,164.60, 3,297,830.10 and 778,072.60

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Solution

The fourth proportional to 2,198,164.60, 3,297,830.10 and 778,072.60 is: 1,167,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,164.60 : 3,297,830.10 = 778,072.60 : x
  2. Step 2: Convert to fraction form
    2,198,164.60/3,297,830.10 = 778,072.60/x
  3. Step 3: Cross multiply
    2,198,164.60x = 3,297,830.10 × 778,072.60
  4. Step 4: Simplify right side
    2,198,164.60x = 2,565,951,240,265.26
  5. Step 5: Solve for x
    x = 2,565,951,240,265.26/2,198,164.60
  6. Step 6: Final answer
    x = 1,167,315.33

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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.