Home / 5,453,867.70-8,178,888.06-2,991,388.86

Finding the Fourth Proportional to 5,453,867.70, 8,178,888.06 and 2,991,388.86

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Solution

The fourth proportional to 5,453,867.70, 8,178,888.06 and 2,991,388.86 is: 4,486,033.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453,867.70 : 8,178,888.06 = 2,991,388.86 : x
  2. Step 2: Convert to fraction form
    5,453,867.70/8,178,888.06 = 2,991,388.86/x
  3. Step 3: Cross multiply
    5,453,867.70x = 8,178,888.06 × 2,991,388.86
  4. Step 4: Simplify right side
    5,453,867.70x = 24,466,234,629,871.01
  5. Step 5: Solve for x
    x = 24,466,234,629,871.01/5,453,867.70
  6. Step 6: Final answer
    x = 4,486,033.76

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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.