Home / 5,418,845.32-8,132,000.46-1,872,989.32

Finding the Fourth Proportional to 5,418,845.32, 8,132,000.46 and 1,872,989.32

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Solution

The fourth proportional to 5,418,845.32, 8,132,000.46 and 1,872,989.32 is: 2,810,774.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418,845.32 : 8,132,000.46 = 1,872,989.32 : x
  2. Step 2: Convert to fraction form
    5,418,845.32/8,132,000.46 = 1,872,989.32/x
  3. Step 3: Cross multiply
    5,418,845.32x = 8,132,000.46 × 1,872,989.32
  4. Step 4: Simplify right side
    5,418,845.32x = 15,231,150,011,815.09
  5. Step 5: Solve for x
    x = 15,231,150,011,815.09/5,418,845.32
  6. Step 6: Final answer
    x = 2,810,774.09

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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.