Home / 2,103,287.56-3,155,355.76-664,195.80

Finding the Fourth Proportional to 2,103,287.56, 3,155,355.76 and 664,195.80

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Solution

The fourth proportional to 2,103,287.56, 3,155,355.76 and 664,195.80 is: 996,427.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,287.56 : 3,155,355.76 = 664,195.80 : x
  2. Step 2: Convert to fraction form
    2,103,287.56/3,155,355.76 = 664,195.80/x
  3. Step 3: Cross multiply
    2,103,287.56x = 3,155,355.76 × 664,195.80
  4. Step 4: Simplify right side
    2,103,287.56x = 2,095,774,043,297.81
  5. Step 5: Solve for x
    x = 2,095,774,043,297.81/2,103,287.56
  6. Step 6: Final answer
    x = 996,427.73

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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.