Home / 2,606,980.74-3,910,722.48-809,381.52

Finding the Fourth Proportional to 2,606,980.74, 3,910,722.48 and 809,381.52

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Solution

The fourth proportional to 2,606,980.74, 3,910,722.48 and 809,381.52 is: 1,214,150.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606,980.74 : 3,910,722.48 = 809,381.52 : x
  2. Step 2: Convert to fraction form
    2,606,980.74/3,910,722.48 = 809,381.52/x
  3. Step 3: Cross multiply
    2,606,980.74x = 3,910,722.48 × 809,381.52
  4. Step 4: Simplify right side
    2,606,980.74x = 3,165,266,505,160.57
  5. Step 5: Solve for x
    x = 3,165,266,505,160.57/2,606,980.74
  6. Step 6: Final answer
    x = 1,214,150.32

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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.