Home / 5,347,648.35-7,380,698.06-3,173,390.39

Finding the Fourth Proportional to 5,347,648.35, 7,380,698.06 and 3,173,390.39

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Solution

The fourth proportional to 5,347,648.35, 7,380,698.06 and 3,173,390.39 is: 4,379,838.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347,648.35 : 7,380,698.06 = 3,173,390.39 : x
  2. Step 2: Convert to fraction form
    5,347,648.35/7,380,698.06 = 3,173,390.39/x
  3. Step 3: Cross multiply
    5,347,648.35x = 7,380,698.06 × 3,173,390.39
  4. Step 4: Simplify right side
    5,347,648.35x = 23,421,836,321,480.86
  5. Step 5: Solve for x
    x = 23,421,836,321,480.86/5,347,648.35
  6. Step 6: Final answer
    x = 4,379,838.54

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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.