Home / 3,109,280.89-4,664,088.56-979,531.69

Finding the Fourth Proportional to 3,109,280.89, 4,664,088.56 and 979,531.69

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Solution

The fourth proportional to 3,109,280.89, 4,664,088.56 and 979,531.69 is: 1,469,350.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,280.89 : 4,664,088.56 = 979,531.69 : x
  2. Step 2: Convert to fraction form
    3,109,280.89/4,664,088.56 = 979,531.69/x
  3. Step 3: Cross multiply
    3,109,280.89x = 4,664,088.56 × 979,531.69
  4. Step 4: Simplify right side
    3,109,280.89x = 4,568,622,544,588.81
  5. Step 5: Solve for x
    x = 4,568,622,544,588.81/3,109,280.89
  6. Step 6: Final answer
    x = 1,469,350.22

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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.