Home / 2,638,244-3,956,357.18-1,439,525.54

Finding the Fourth Proportional to 2,638,244, 3,956,357.18 and 1,439,525.54

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Solution

The fourth proportional to 2,638,244, 3,956,357.18 and 1,439,525.54 is: 2,158,737.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,244 : 3,956,357.18 = 1,439,525.54 : x
  2. Step 2: Convert to fraction form
    2,638,244/3,956,357.18 = 1,439,525.54/x
  3. Step 3: Cross multiply
    2,638,244x = 3,956,357.18 × 1,439,525.54
  4. Step 4: Simplify right side
    2,638,244x = 5,695,277,205,972.38
  5. Step 5: Solve for x
    x = 5,695,277,205,972.38/2,638,244
  6. Step 6: Final answer
    x = 2,158,737.86

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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.