Home / 2,447,998.60-3,671,997.90-1,188,286.60

Finding the Fourth Proportional to 2,447,998.60, 3,671,997.90 and 1,188,286.60

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Solution

The fourth proportional to 2,447,998.60, 3,671,997.90 and 1,188,286.60 is: 1,782,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447,998.60 : 3,671,997.90 = 1,188,286.60 : x
  2. Step 2: Convert to fraction form
    2,447,998.60/3,671,997.90 = 1,188,286.60/x
  3. Step 3: Cross multiply
    2,447,998.60x = 3,671,997.90 × 1,188,286.60
  4. Step 4: Simplify right side
    2,447,998.60x = 4,363,385,899,798.14
  5. Step 5: Solve for x
    x = 4,363,385,899,798.14/2,447,998.60
  6. Step 6: Final answer
    x = 1,782,429.90

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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.