Home / 2,555,280.20-3,834,624.81-1,325,421.60

Finding the Fourth Proportional to 2,555,280.20, 3,834,624.81 and 1,325,421.60

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Solution

The fourth proportional to 2,555,280.20, 3,834,624.81 and 1,325,421.60 is: 1,989,016.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555,280.20 : 3,834,624.81 = 1,325,421.60 : x
  2. Step 2: Convert to fraction form
    2,555,280.20/3,834,624.81 = 1,325,421.60/x
  3. Step 3: Cross multiply
    2,555,280.20x = 3,834,624.81 × 1,325,421.60
  4. Step 4: Simplify right side
    2,555,280.20x = 5,082,494,551,069.90
  5. Step 5: Solve for x
    x = 5,082,494,551,069.90/2,555,280.20
  6. Step 6: Final answer
    x = 1,989,016.53

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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.