Home / 3,208,785.36-4,813,079.22-1,314,099.78

Finding the Fourth Proportional to 3,208,785.36, 4,813,079.22 and 1,314,099.78

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Solution

The fourth proportional to 3,208,785.36, 4,813,079.22 and 1,314,099.78 is: 1,971,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,785.36 : 4,813,079.22 = 1,314,099.78 : x
  2. Step 2: Convert to fraction form
    3,208,785.36/4,813,079.22 = 1,314,099.78/x
  3. Step 3: Cross multiply
    3,208,785.36x = 4,813,079.22 × 1,314,099.78
  4. Step 4: Simplify right side
    3,208,785.36x = 6,324,866,344,124.57
  5. Step 5: Solve for x
    x = 6,324,866,344,124.57/3,208,785.36
  6. Step 6: Final answer
    x = 1,971,109.20

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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.