Home / 2,141,835.44-3,212,764.32-721,903.84

Finding the Fourth Proportional to 2,141,835.44, 3,212,764.32 and 721,903.84

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Solution

The fourth proportional to 2,141,835.44, 3,212,764.32 and 721,903.84 is: 1,082,859.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,835.44 : 3,212,764.32 = 721,903.84 : x
  2. Step 2: Convert to fraction form
    2,141,835.44/3,212,764.32 = 721,903.84/x
  3. Step 3: Cross multiply
    2,141,835.44x = 3,212,764.32 × 721,903.84
  4. Step 4: Simplify right side
    2,141,835.44x = 2,319,306,899,622.99
  5. Step 5: Solve for x
    x = 2,319,306,899,622.99/2,141,835.44
  6. Step 6: Final answer
    x = 1,082,859.52

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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.