Home / 2,915,998.40-4,373,997.60-1,022,931.20

Finding the Fourth Proportional to 2,915,998.40, 4,373,997.60 and 1,022,931.20

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Solution

The fourth proportional to 2,915,998.40, 4,373,997.60 and 1,022,931.20 is: 1,534,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,998.40 : 4,373,997.60 = 1,022,931.20 : x
  2. Step 2: Convert to fraction form
    2,915,998.40/4,373,997.60 = 1,022,931.20/x
  3. Step 3: Cross multiply
    2,915,998.40x = 4,373,997.60 × 1,022,931.20
  4. Step 4: Simplify right side
    2,915,998.40x = 4,474,298,613,765.12
  5. Step 5: Solve for x
    x = 4,474,298,613,765.12/2,915,998.40
  6. Step 6: Final answer
    x = 1,534,396.80

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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.