Home / 1,813,968.72-2,722,004.46-915,480.68

Finding the Fourth Proportional to 1,813,968.72, 2,722,004.46 and 915,480.68

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Solution

The fourth proportional to 1,813,968.72, 2,722,004.46 and 915,480.68 is: 1,373,751.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,968.72 : 2,722,004.46 = 915,480.68 : x
  2. Step 2: Convert to fraction form
    1,813,968.72/2,722,004.46 = 915,480.68/x
  3. Step 3: Cross multiply
    1,813,968.72x = 2,722,004.46 × 915,480.68
  4. Step 4: Simplify right side
    1,813,968.72x = 2,491,942,480,393.81
  5. Step 5: Solve for x
    x = 2,491,942,480,393.81/1,813,968.72
  6. Step 6: Final answer
    x = 1,373,751.63

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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.