Home / 2,111,589.90-3,167,166.90-1,432,834.91

Finding the Fourth Proportional to 2,111,589.90, 3,167,166.90 and 1,432,834.91

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Solution

The fourth proportional to 2,111,589.90, 3,167,166.90 and 1,432,834.91 is: 2,149,104.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,589.90 : 3,167,166.90 = 1,432,834.91 : x
  2. Step 2: Convert to fraction form
    2,111,589.90/3,167,166.90 = 1,432,834.91/x
  3. Step 3: Cross multiply
    2,111,589.90x = 3,167,166.90 × 1,432,834.91
  4. Step 4: Simplify right side
    2,111,589.90x = 4,538,027,284,280.64
  5. Step 5: Solve for x
    x = 4,538,027,284,280.64/2,111,589.90
  6. Step 6: Final answer
    x = 2,149,104.47

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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.