Home / 1,568,009.70-2,352,014.55-1,214,115.30

Finding the Fourth Proportional to 1,568,009.70, 2,352,014.55 and 1,214,115.30

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Solution

The fourth proportional to 1,568,009.70, 2,352,014.55 and 1,214,115.30 is: 1,821,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568,009.70 : 2,352,014.55 = 1,214,115.30 : x
  2. Step 2: Convert to fraction form
    1,568,009.70/2,352,014.55 = 1,214,115.30/x
  3. Step 3: Cross multiply
    1,568,009.70x = 2,352,014.55 × 1,214,115.30
  4. Step 4: Simplify right side
    1,568,009.70x = 2,855,616,850,977.62
  5. Step 5: Solve for x
    x = 2,855,616,850,977.62/1,568,009.70
  6. Step 6: Final answer
    x = 1,821,172.95

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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.