Home / 2,783,121.40-4,165,350.90-2,447,198.20

Finding the Fourth Proportional to 2,783,121.40, 4,165,350.90 and 2,447,198.20

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Solution

The fourth proportional to 2,783,121.40, 4,165,350.90 and 2,447,198.20 is: 3,662,592.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,121.40 : 4,165,350.90 = 2,447,198.20 : x
  2. Step 2: Convert to fraction form
    2,783,121.40/4,165,350.90 = 2,447,198.20/x
  3. Step 3: Cross multiply
    2,783,121.40x = 4,165,350.90 × 2,447,198.20
  4. Step 4: Simplify right side
    2,783,121.40x = 10,193,439,224,848.38
  5. Step 5: Solve for x
    x = 10,193,439,224,848.38/2,783,121.40
  6. Step 6: Final answer
    x = 3,662,592.38

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1.5x scale

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.