Home / 2,789,422.20-4,184,133.30-2,435,128.20

Finding the Fourth Proportional to 2,789,422.20, 4,184,133.30 and 2,435,128.20

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Solution

The fourth proportional to 2,789,422.20, 4,184,133.30 and 2,435,128.20 is: 3,652,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,422.20 : 4,184,133.30 = 2,435,128.20 : x
  2. Step 2: Convert to fraction form
    2,789,422.20/4,184,133.30 = 2,435,128.20/x
  3. Step 3: Cross multiply
    2,789,422.20x = 4,184,133.30 × 2,435,128.20
  4. Step 4: Simplify right side
    2,789,422.20x = 10,188,900,991,389.06
  5. Step 5: Solve for x
    x = 10,188,900,991,389.06/2,789,422.20
  6. Step 6: Final answer
    x = 3,652,692.30

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Double scale
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Similar ratio
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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.