Home / 2,783,245.90-4,174,868.85-2,153,389.90

Finding the Fourth Proportional to 2,783,245.90, 4,174,868.85 and 2,153,389.90

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Solution

The fourth proportional to 2,783,245.90, 4,174,868.85 and 2,153,389.90 is: 3,230,084.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,245.90 : 4,174,868.85 = 2,153,389.90 : x
  2. Step 2: Convert to fraction form
    2,783,245.90/4,174,868.85 = 2,153,389.90/x
  3. Step 3: Cross multiply
    2,783,245.90x = 4,174,868.85 × 2,153,389.90
  4. Step 4: Simplify right side
    2,783,245.90x = 8,990,120,415,414.62
  5. Step 5: Solve for x
    x = 8,990,120,415,414.62/2,783,245.90
  6. Step 6: Final answer
    x = 3,230,084.85

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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.