Home / 2,798,132.90-4,197,199.35-2,189,272.10

Finding the Fourth Proportional to 2,798,132.90, 4,197,199.35 and 2,189,272.10

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Solution

The fourth proportional to 2,798,132.90, 4,197,199.35 and 2,189,272.10 is: 3,283,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,132.90 : 4,197,199.35 = 2,189,272.10 : x
  2. Step 2: Convert to fraction form
    2,798,132.90/4,197,199.35 = 2,189,272.10/x
  3. Step 3: Cross multiply
    2,798,132.90x = 4,197,199.35 × 2,189,272.10
  4. Step 4: Simplify right side
    2,798,132.90x = 9,188,811,435,093.14
  5. Step 5: Solve for x
    x = 9,188,811,435,093.14/2,798,132.90
  6. Step 6: Final answer
    x = 3,283,908.15

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Double scale
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Similar ratio
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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.