Home / 5,729,909.94-7,907,279.76-3,151,786.86

Finding the Fourth Proportional to 5,729,909.94, 7,907,279.76 and 3,151,786.86

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Solution

The fourth proportional to 5,729,909.94, 7,907,279.76 and 3,151,786.86 is: 4,349,468.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729,909.94 : 7,907,279.76 = 3,151,786.86 : x
  2. Step 2: Convert to fraction form
    5,729,909.94/7,907,279.76 = 3,151,786.86/x
  3. Step 3: Cross multiply
    5,729,909.94x = 7,907,279.76 × 3,151,786.86
  4. Step 4: Simplify right side
    5,729,909.94x = 24,922,060,445,911.95
  5. Step 5: Solve for x
    x = 24,922,060,445,911.95/5,729,909.94
  6. Step 6: Final answer
    x = 4,349,468.09

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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.