Home / 2,579,581.58-3,869,381.37-782,480.54

Finding the Fourth Proportional to 2,579,581.58, 3,869,381.37 and 782,480.54

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Solution

The fourth proportional to 2,579,581.58, 3,869,381.37 and 782,480.54 is: 1,173,723.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579,581.58 : 3,869,381.37 = 782,480.54 : x
  2. Step 2: Convert to fraction form
    2,579,581.58/3,869,381.37 = 782,480.54/x
  3. Step 3: Cross multiply
    2,579,581.58x = 3,869,381.37 × 782,480.54
  4. Step 4: Simplify right side
    2,579,581.58x = 3,027,715,623,863.54
  5. Step 5: Solve for x
    x = 3,027,715,623,863.54/2,579,581.58
  6. Step 6: Final answer
    x = 1,173,723.54

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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.