Home / 2,321,331.40-3,481,997.10-638,434.90

Finding the Fourth Proportional to 2,321,331.40, 3,481,997.10 and 638,434.90

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Solution

The fourth proportional to 2,321,331.40, 3,481,997.10 and 638,434.90 is: 957,652.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321,331.40 : 3,481,997.10 = 638,434.90 : x
  2. Step 2: Convert to fraction form
    2,321,331.40/3,481,997.10 = 638,434.90/x
  3. Step 3: Cross multiply
    2,321,331.40x = 3,481,997.10 × 638,434.90
  4. Step 4: Simplify right side
    2,321,331.40x = 2,223,028,470,338.79
  5. Step 5: Solve for x
    x = 2,223,028,470,338.79/2,321,331.40
  6. Step 6: Final answer
    x = 957,652.35

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Double scale
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Similar ratio
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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.