Home / 2,127,779.76-3,188,912.04-864,139.44

Finding the Fourth Proportional to 2,127,779.76, 3,188,912.04 and 864,139.44

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Solution

The fourth proportional to 2,127,779.76, 3,188,912.04 and 864,139.44 is: 1,295,089.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,779.76 : 3,188,912.04 = 864,139.44 : x
  2. Step 2: Convert to fraction form
    2,127,779.76/3,188,912.04 = 864,139.44/x
  3. Step 3: Cross multiply
    2,127,779.76x = 3,188,912.04 × 864,139.44
  4. Step 4: Simplify right side
    2,127,779.76x = 2,755,664,664,454.86
  5. Step 5: Solve for x
    x = 2,755,664,664,454.86/2,127,779.76
  6. Step 6: Final answer
    x = 1,295,089.24

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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.