Home / 2,115,287.54-3,172,257.38-695,014.10

Finding the Fourth Proportional to 2,115,287.54, 3,172,257.38 and 695,014.10

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Solution

The fourth proportional to 2,115,287.54, 3,172,257.38 and 695,014.10 is: 1,042,299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,287.54 : 3,172,257.38 = 695,014.10 : x
  2. Step 2: Convert to fraction form
    2,115,287.54/3,172,257.38 = 695,014.10/x
  3. Step 3: Cross multiply
    2,115,287.54x = 3,172,257.38 × 695,014.10
  4. Step 4: Simplify right side
    2,115,287.54x = 2,204,763,607,929.06
  5. Step 5: Solve for x
    x = 2,204,763,607,929.06/2,115,287.54
  6. Step 6: Final answer
    x = 1,042,299.72

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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.