Home / 5,423,144.25-8,134,764.03-1,379,636.34

Finding the Fourth Proportional to 5,423,144.25, 8,134,764.03 and 1,379,636.34

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Solution

The fourth proportional to 5,423,144.25, 8,134,764.03 and 1,379,636.34 is: 2,069,466.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423,144.25 : 8,134,764.03 = 1,379,636.34 : x
  2. Step 2: Convert to fraction form
    5,423,144.25/8,134,764.03 = 1,379,636.34/x
  3. Step 3: Cross multiply
    5,423,144.25x = 8,134,764.03 × 1,379,636.34
  4. Step 4: Simplify right side
    5,423,144.25x = 11,223,016,073,112.85
  5. Step 5: Solve for x
    x = 11,223,016,073,112.85/5,423,144.25
  6. Step 6: Final answer
    x = 2,069,466.63

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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.