Home / 2,081,348.40-3,122,022.60-1,955,377.20

Finding the Fourth Proportional to 2,081,348.40, 3,122,022.60 and 1,955,377.20

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Solution

The fourth proportional to 2,081,348.40, 3,122,022.60 and 1,955,377.20 is: 2,933,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,348.40 : 3,122,022.60 = 1,955,377.20 : x
  2. Step 2: Convert to fraction form
    2,081,348.40/3,122,022.60 = 1,955,377.20/x
  3. Step 3: Cross multiply
    2,081,348.40x = 3,122,022.60 × 1,955,377.20
  4. Step 4: Simplify right side
    2,081,348.40x = 6,104,731,809,924.72
  5. Step 5: Solve for x
    x = 6,104,731,809,924.72/2,081,348.40
  6. Step 6: Final answer
    x = 2,933,065.80

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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.