Home / 2,213,037.72-3,317,587.20-864,893.76

Finding the Fourth Proportional to 2,213,037.72, 3,317,587.20 and 864,893.76

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Solution

The fourth proportional to 2,213,037.72, 3,317,587.20 and 864,893.76 is: 1,296,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213,037.72 : 3,317,587.20 = 864,893.76 : x
  2. Step 2: Convert to fraction form
    2,213,037.72/3,317,587.20 = 864,893.76/x
  3. Step 3: Cross multiply
    2,213,037.72x = 3,317,587.20 × 864,893.76
  4. Step 4: Simplify right side
    2,213,037.72x = 2,869,360,467,535.87
  5. Step 5: Solve for x
    x = 2,869,360,467,535.87/2,213,037.72
  6. Step 6: Final answer
    x = 1,296,570.97

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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.