Home / 3,218,962.20-4,828,443.30-1,089,115.80

Finding the Fourth Proportional to 3,218,962.20, 4,828,443.30 and 1,089,115.80

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Solution

The fourth proportional to 3,218,962.20, 4,828,443.30 and 1,089,115.80 is: 1,633,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,962.20 : 4,828,443.30 = 1,089,115.80 : x
  2. Step 2: Convert to fraction form
    3,218,962.20/4,828,443.30 = 1,089,115.80/x
  3. Step 3: Cross multiply
    3,218,962.20x = 4,828,443.30 × 1,089,115.80
  4. Step 4: Simplify right side
    3,218,962.20x = 5,258,733,887,434.14
  5. Step 5: Solve for x
    x = 5,258,733,887,434.14/3,218,962.20
  6. Step 6: Final answer
    x = 1,633,673.70

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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.