Home / 2,052,015.40-3,078,314.70-631,923.40

Finding the Fourth Proportional to 2,052,015.40, 3,078,314.70 and 631,923.40

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Solution

The fourth proportional to 2,052,015.40, 3,078,314.70 and 631,923.40 is: 947,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052,015.40 : 3,078,314.70 = 631,923.40 : x
  2. Step 2: Convert to fraction form
    2,052,015.40/3,078,314.70 = 631,923.40/x
  3. Step 3: Cross multiply
    2,052,015.40x = 3,078,314.70 × 631,923.40
  4. Step 4: Simplify right side
    2,052,015.40x = 1,945,259,091,493.98
  5. Step 5: Solve for x
    x = 1,945,259,091,493.98/2,052,015.40
  6. Step 6: Final answer
    x = 947,974.90

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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.