Home / 5,618,786.20-8,428,183.40-1,358,958.54

Finding the Fourth Proportional to 5,618,786.20, 8,428,183.40 and 1,358,958.54

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Solution

The fourth proportional to 5,618,786.20, 8,428,183.40 and 1,358,958.54 is: 2,038,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618,786.20 : 8,428,183.40 = 1,358,958.54 : x
  2. Step 2: Convert to fraction form
    5,618,786.20/8,428,183.40 = 1,358,958.54/x
  3. Step 3: Cross multiply
    5,618,786.20x = 8,428,183.40 × 1,358,958.54
  4. Step 4: Simplify right side
    5,618,786.20x = 11,453,551,779,907.94
  5. Step 5: Solve for x
    x = 11,453,551,779,907.94/5,618,786.20
  6. Step 6: Final answer
    x = 2,038,438.80

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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.