Home / 2,230,970.72-3,078,739.53-1,212,375.47

Finding the Fourth Proportional to 2,230,970.72, 3,078,739.53 and 1,212,375.47

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Solution

The fourth proportional to 2,230,970.72, 3,078,739.53 and 1,212,375.47 is: 1,673,078.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,970.72 : 3,078,739.53 = 1,212,375.47 : x
  2. Step 2: Convert to fraction form
    2,230,970.72/3,078,739.53 = 1,212,375.47/x
  3. Step 3: Cross multiply
    2,230,970.72x = 3,078,739.53 × 1,212,375.47
  4. Step 4: Simplify right side
    2,230,970.72x = 3,732,588,269,297.63
  5. Step 5: Solve for x
    x = 3,732,588,269,297.63/2,230,970.72
  6. Step 6: Final answer
    x = 1,673,078.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.