Home / 5,438,469.60-8,157,704.40-4,915,922.40

Finding the Fourth Proportional to 5,438,469.60, 8,157,704.40 and 4,915,922.40

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Solution

The fourth proportional to 5,438,469.60, 8,157,704.40 and 4,915,922.40 is: 7,373,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438,469.60 : 8,157,704.40 = 4,915,922.40 : x
  2. Step 2: Convert to fraction form
    5,438,469.60/8,157,704.40 = 4,915,922.40/x
  3. Step 3: Cross multiply
    5,438,469.60x = 8,157,704.40 × 4,915,922.40
  4. Step 4: Simplify right side
    5,438,469.60x = 40,102,641,792,538.56
  5. Step 5: Solve for x
    x = 40,102,641,792,538.56/5,438,469.60
  6. Step 6: Final answer
    x = 7,373,883.60

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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.