Home / 3,291,321.60-4,936,014.72-1,398,048

Finding the Fourth Proportional to 3,291,321.60, 4,936,014.72 and 1,398,048

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Solution

The fourth proportional to 3,291,321.60, 4,936,014.72 and 1,398,048 is: 2,096,660.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291,321.60 : 4,936,014.72 = 1,398,048 : x
  2. Step 2: Convert to fraction form
    3,291,321.60/4,936,014.72 = 1,398,048/x
  3. Step 3: Cross multiply
    3,291,321.60x = 4,936,014.72 × 1,398,048
  4. Step 4: Simplify right side
    3,291,321.60x = 6,900,785,507,266.56
  5. Step 5: Solve for x
    x = 6,900,785,507,266.56/3,291,321.60
  6. Step 6: Final answer
    x = 2,096,660.96

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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.