Home / 6,248,801.10-9,373,201.65-1,989,399.90

Finding the Fourth Proportional to 6,248,801.10, 9,373,201.65 and 1,989,399.90

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Solution

The fourth proportional to 6,248,801.10, 9,373,201.65 and 1,989,399.90 is: 2,984,099.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248,801.10 : 9,373,201.65 = 1,989,399.90 : x
  2. Step 2: Convert to fraction form
    6,248,801.10/9,373,201.65 = 1,989,399.90/x
  3. Step 3: Cross multiply
    6,248,801.10x = 9,373,201.65 × 1,989,399.90
  4. Step 4: Simplify right side
    6,248,801.10x = 18,647,046,425,189.84
  5. Step 5: Solve for x
    x = 18,647,046,425,189.84/6,248,801.10
  6. Step 6: Final answer
    x = 2,984,099.85

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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.