Home / 2,189,212.10-3,282,068.55-926,000.90

Finding the Fourth Proportional to 2,189,212.10, 3,282,068.55 and 926,000.90

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Solution

The fourth proportional to 2,189,212.10, 3,282,068.55 and 926,000.90 is: 1,388,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,212.10 : 3,282,068.55 = 926,000.90 : x
  2. Step 2: Convert to fraction form
    2,189,212.10/3,282,068.55 = 926,000.90/x
  3. Step 3: Cross multiply
    2,189,212.10x = 3,282,068.55 × 926,000.90
  4. Step 4: Simplify right side
    2,189,212.10x = 3,039,198,431,161.70
  5. Step 5: Solve for x
    x = 3,039,198,431,161.70/2,189,212.10
  6. Step 6: Final answer
    x = 1,388,261.30

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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.