Home / 5,453,868.70-8,178,889.56-2,991,389.86

Finding the Fourth Proportional to 5,453,868.70, 8,178,889.56 and 2,991,389.86

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Solution

The fourth proportional to 5,453,868.70, 8,178,889.56 and 2,991,389.86 is: 4,486,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453,868.70 : 8,178,889.56 = 2,991,389.86 : x
  2. Step 2: Convert to fraction form
    5,453,868.70/8,178,889.56 = 2,991,389.86/x
  3. Step 3: Cross multiply
    5,453,868.70x = 8,178,889.56 × 2,991,389.86
  4. Step 4: Simplify right side
    5,453,868.70x = 24,466,247,295,843.86
  5. Step 5: Solve for x
    x = 24,466,247,295,843.86/5,453,868.70
  6. Step 6: Final answer
    x = 4,486,035.26

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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.