Home / 1,815,816.15-2,722,707.23-842,136.41

Finding the Fourth Proportional to 1,815,816.15, 2,722,707.23 and 842,136.41

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Solution

The fourth proportional to 1,815,816.15, 2,722,707.23 and 842,136.41 is: 1,262,732.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,816.15 : 2,722,707.23 = 842,136.41 : x
  2. Step 2: Convert to fraction form
    1,815,816.15/2,722,707.23 = 842,136.41/x
  3. Step 3: Cross multiply
    1,815,816.15x = 2,722,707.23 × 842,136.41
  4. Step 4: Simplify right side
    1,815,816.15x = 2,292,890,894,749.33
  5. Step 5: Solve for x
    x = 2,292,890,894,749.33/1,815,816.15
  6. Step 6: Final answer
    x = 1,262,732.96

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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.